Strain Sensors Patents (Class 257/417)
-
Patent number: 8759927Abstract: A hybrid integrated component including an MEMS element and an ASIC element is refined to improve the capacitive signal detection or activation. The MEMS element is implemented in a layered structure on a semiconductor substrate. The layered structure of the MEMS element includes at least one printed conductor level and at least one functional layer, in which the micromechanical structure of the MEMS element having at least one deflectable structural element is implemented. The ASIC element is mounted face down on the layered structure and functions as a cap for the micromechanical structure. The deflectable structural element of the MEMS element is equipped with at least one electrode of a capacitor system. At least one stationary counter electrode of the capacitor system is implemented in the printed conductor level of the MEMS element, and the ASIC element includes at least one further counter electrode of the capacitor system.Type: GrantFiled: May 10, 2013Date of Patent: June 24, 2014Assignee: Robert Bosch GmbHInventors: Johannes Classen, Jens Frey
-
Patent number: 8759926Abstract: In a semiconductor physical quantity sensor, a pattern portion including a wiring pattern as a wiring is formed on a surface of a first semiconductor substrate. A support substrate having a surface made of an electrically insulating material is prepared. The first semiconductor substrate is joined to the support substrate by bonding the pattern portion to the surface of the support substrate. Further, a sensor structure is formed in the first semiconductor substrate. The sensor structure is electrically connected to the wiring pattern. A cap is bonded to the first semiconductor substrate such that the sensor structure is hermetically sealed.Type: GrantFiled: February 24, 2011Date of Patent: June 24, 2014Assignee: DENSO CORPORATIONInventors: Tetsuo Fujii, Keisuke Gotoh
-
Patent number: 8754529Abstract: A MEMS device comprises a substrate for manufacturing a moving MEMS component is divided into two electrically isolated conducting regions to allow the moving MEMS component and a circuit disposed on its surface to connect electrically with another substrate below respectively through their corresponding conducting regions, thereby the electrical conducting paths and manufacturing process can be simplified.Type: GrantFiled: February 21, 2012Date of Patent: June 17, 2014Assignee: Miradia, Inc.Inventors: Yu-Hao Chien, Hua-Shu Wu, Shih-Yung Chung, Li-Tien Tseng, Yu-Te Yeh
-
Patent number: 8749002Abstract: A structure and method for air cavity packaging, the structure comprises a carrier having plural die pads and leads, plural dies, plural wires, plural walls, and a lid. The dies are mounted on the die pads. The wires electrically connect the dies to the leads. The plural walls are disposed on the carrier and form plural cavities in a way that each cavity contains at least one die pad and plural leads, and each wall is provided with at least one air vent for exhausting air to the outside. The lid is attached on the plural walls via an adhesive agent to seal the plural air cavities, so that the plural connected air cavity packages are formed.Type: GrantFiled: February 6, 2013Date of Patent: June 10, 2014Assignee: Win Semiconductors Corp.Inventors: Zi-Hong Fu, Sung-Mao Yang, Chun-Ting Chu, Wen-Ching Hsu
-
Patent number: 8748997Abstract: Provided are a contact-force sensor package and a method of fabricating the same. The contact-force sensor package includes an elastic layer comprising a side that contacts a source of a contact-force; and a substrate layer adhered to the opposing side of the elastic layer from the side that contacts the source of the contact-force and comprising a cantilever beam separated from the elastic layer and deformed due to the contact-force, a pillar extending from a free end portion of the cantilever beam to the elastic layer and transferring the contact-force from the elastic layer to the cantilever beam, and a deformation sensing element for generating an electrical signal that is proportional to a degree of deformation of the cantilever beam.Type: GrantFiled: August 25, 2009Date of Patent: June 10, 2014Assignees: Samsung Electronics Co., Ltd., Center for University-Industry CorporationInventors: Jong-pal Kim, Byeung-leul Lee
-
Patent number: 8748999Abstract: A device includes a semiconductor substrate, and a capacitive sensor having a back-plate, wherein the back-plate forms a first capacitor plate of the capacitive sensor. The back-plate is a portion of the semiconductor substrate. A conductive membrane is spaced apart from the semiconductor substrate by an air-gap. A capacitance of the capacitive sensor is configured to change in response to a movement of the polysilicon membrane.Type: GrantFiled: April 20, 2012Date of Patent: June 10, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Bruce C. S. Chou, Jung-Kuo Tu, Chen-Chih Fan
-
Patent number: 8749001Abstract: An electronic component includes: a semiconductor element including a circuit; a vibration element; a first electrode arranged on a first surface of the semiconductor element and connected to the circuit and the vibration element arranged on the first surface side; a second electrode arranged on the first surface; a first wiring board including a first wire connected to the second electrode; and a second wiring board including a second wire to which the first wire is connected. At least a part of an inner side region of an outer contour of the vibration element is arranged to overlap the second electrode in plan view facing the first surface.Type: GrantFiled: September 9, 2011Date of Patent: June 10, 2014Assignee: Seiko Epson CorporationInventors: Terunao Hanaoka, Akinori Shindo, Yasuo Yamasaki, Seiichi Chiba, Toshiyuki Enta, Shuji Kojima
-
Patent number: 8748206Abstract: Systems and methods for a micro-electromechanical system (MEMS) apparatus are provided. In one embodiment, a system comprises a first double chip that includes a first base layer; a first device layer bonded to the first base layer, the first device layer comprising a first set of MEMS devices; and a first top layer bonded to the first device layer, wherein the first set of MEMS devices is hermetically isolated. The system also comprises a second double chip that includes a second base layer; a second device layer bonded to the second base layer, the second device layer comprising a second set of MEMS devices; and a second top layer bonded to the second device layer, wherein the second set of MEMS devices is hermetically isolated, wherein a first top surface of the first top layer is bonded to a second top surface of the second top layer.Type: GrantFiled: November 14, 2011Date of Patent: June 10, 2014Assignee: Honeywell International Inc.Inventor: Robert D. Horning
-
Patent number: 8742595Abstract: The present invention provides a MEMS structure comprising confined sacrificial oxide layer and a bonded Si layer. Polysilicon stack is used to fill aligned oxide openings and MEMS vias on the sacrificial layer and the bonded Si layer respectively. To increase the design flexibility, some conductive polysilicon layer can be further deployed underneath the bonded Si layer to form the functional sensing electrodes or wiring interconnects. The MEMS structure can be further bonded to a metallic layer on top of the Si layer and the polysilicon stack.Type: GrantFiled: July 29, 2013Date of Patent: June 3, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Bruce C. S. Chou
-
Patent number: 8723280Abstract: A micro-electro-mechanical systems (MEMS) device and method for forming a MEMS device is provided. A proof mass is suspended a distance above a surface of a substrate by a fulcrum. A pair of sensing plates are positioned on the substrate on opposing sides of the fulcrum. Metal bumps are associated with each sensing plate and positioned near a respective distal end of the proof mass. Each metal bump extends from the surface of the substrate and generally inhibits charge-induced stiction associated with the proof mass. Oxide bumps are associated with each of the pair of sensing plates and positioned between the respective sensing plate and the fulcrum. Each oxide bump extends from the first surface of the substrate a greater distance than the metal bumps and acts as a shock absorber by preventing the distal ends of the proof mass from contacting the metal bumps during shock loading.Type: GrantFiled: August 1, 2012Date of Patent: May 13, 2014Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chia-Pao Shu, Wen-Chuan Tai, Chia-Ming Hung, Hsiang-Fu Chen
-
Patent number: 8723287Abstract: An object of the present invention is to provide a thermal airflow sensor that prevents moisture absorption by a silicon oxide film formed closest to a surface (formed to be located on an uppermost portion), and that reduces a measuring error. In order to attain the foregoing object, the thermal airflow sensor according to the present invention applies an ion implantation to a silicon oxide film 4, formed closest to a surface (formed to be located on an uppermost portion), by using an atom or molecule selected from at least any one of silicon, oxygen, and an inert element such as argon or nitrogen, in order to increase a concentration of an atom contained in the silicon oxide film 4 more than that before the ion implantation.Type: GrantFiled: July 6, 2011Date of Patent: May 13, 2014Assignee: Hitachi Automotive Systems, Ltd.Inventors: Norio Ishitsuka, Rintaro Minamitani, Keiji Hanzawa
-
Patent number: 8716050Abstract: Described herein is a microchannel that is formed beneath and parallel to a surface of a silicon substrate. Silicon migration technology is utilized to form a microchannel that is buried beneath the surface of the silicon substrate. Etching opens at least one end of the microchannel. Oxidization is utilized through the open end of the microchannel to facilitate a controlled diameter of the microchannel.Type: GrantFiled: December 20, 2012Date of Patent: May 6, 2014Assignee: The Hong Kong University of Science and TechnologyInventors: Man Wong, Fan Zeng
-
Publication number: 20140117474Abstract: A pressure sensing device includes a sensor chip having a sensing portion, a bonding wire, a protection section, a package, and a guide member. The sensor chip detects a pressure with the sensing portion and generates a signal corresponding to the pressure. The bonding wire is electrically connected with the sensor chip in order to transmit the signal generated by the sensor chip. The protection section has an electrical insulation property and seals the sensor chip and the bonding wire. The package houses the sensor chip, the bonding wire, and the protection section. The guide member has a tubular section arranged opposed to the sensing portion. The protection section has a first thickness at an inside portion of the tubular section and has a second thickness, which is larger than the first thickness, at an outside portion of the tubular section.Type: ApplicationFiled: October 22, 2013Publication date: May 1, 2014Applicant: DENSO CORPORATIONInventor: Makoto Sakai
-
Patent number: 8710599Abstract: Micromachined devices and methods for making the devices. The device includes: a first wafer having at least one via; and a second wafer having a micro-electromechanical-systems (MEMS) layer. The first wafer is bonded to the second wafer. The via forms a closed loop when viewed in a direction normal to the top surface of the first wafer to thereby define an island electrically isolated. The method for fabricating the device includes: providing a first wafer having at least one via; bonding a second wafer having a substantially uniform thickness to the first wafer; and etching the bonded second wafer to form a micro-electromechanical-systems (MEMS) layer.Type: GrantFiled: August 3, 2010Date of Patent: April 29, 2014Assignee: Fairchild Semiconductor CorporationInventors: David Lambe Marx, Cenk Acar, Sandeep Akkaraju, Janusz Bryzek
-
Patent number: 8710600Abstract: A semiconductor pressure sensor that can improve diaphragm breakage pressure tolerance is provided. Included are: a first semiconductor substrate on which is formed a recess portion that has an opening on a first surface in a thickness direction; a second semiconductor substrate that is disposed so as to face the first surface of the first semiconductor substrate; and a first silicon oxide film that is interposed between the first semiconductor substrate and the second semiconductor substrate, and on which is formed a penetrating aperture that communicates between the recess portion and the second semiconductor substrate, and at least a portion of an edge portion of the penetrating aperture is positioned inside an opening edge portion of the recess portion when viewed from a side facing the penetrating aperture and the opening of the recess portion.Type: GrantFiled: November 18, 2010Date of Patent: April 29, 2014Assignee: Mitsubishi Electric CorporationInventors: Eiji Yoshikawa, Shinichi Izuo
-
Publication number: 20140110801Abstract: A pressure sensor includes a first housing having a cavity. The pressure sensor further includes a pressure sensing device attached to a bottom of the cavity. The pressure sensor further includes a layer of gel over the pressure sensing device. The pressure sensor further includes a baffle in contact with the gel to reduce movement of the gel.Type: ApplicationFiled: October 22, 2012Publication date: April 24, 2014Inventor: LEO M. HIGGINS, III
-
Patent number: 8704318Abstract: An encapsulation structure for silicon pressure sensor including a case and a stem is proposed. The case and the stem are connected with a cavity therebetween. A sealing pad and a pressure sensitive silicon chip are provided in the said cavity. The sealing pad is placed under the silicon chip and the silicon chip is connected to the external circuit through the bonding pad. This invention, with the anti-overloading ability, simplifies the encapsulation structure and manufacturing process which greatly reduces the cost of material and process.Type: GrantFiled: January 24, 2011Date of Patent: April 22, 2014Inventor: Jingxun Zhou
-
Patent number: 8703517Abstract: In a manufacturing method of a semiconductor device, a substrate including single crystalline silicon is prepared, a reformed layer that continuously extends is formed in the substrate, and the reformed layer is removed by etching. The forming the reformed layer includes polycrystallizing a portion of the single crystalline silicon by irradiating the substrate with a pulsed laser beam while moving a focal point of the laser beam in the substrate.Type: GrantFiled: October 24, 2011Date of Patent: April 22, 2014Assignee: DENSO CORPORATIONInventors: Atsushi Taya, Katsuhiko Kanamori, Masashi Totokawa
-
Patent number: 8703543Abstract: A method to vertically bond a chip to a substrate is provided. The method includes forming a metal bar having a linear aspect on the substrate, forming a solder paste layer over the metal bar to form a solder bar, forming a plurality of metal pads on the substrate, and forming a solder paste layer over the plurality of metal pads to form a plurality of solder pads on the substrate. Each of the plurality of solder pads is offset from a long edge the solder bar by an offset-spacing. The chip to be vertically bonded to the substrate has a vertical-chip thickness fractionally less than the offset-spacing. The chip to be vertically bonded fits between the plurality of solder pads and the solder bar. The solder bar enables alignment of the chip to be vertically bonded.Type: GrantFiled: July 14, 2009Date of Patent: April 22, 2014Assignee: Honeywell International Inc.Inventors: Hong Wan, Ryan W. Rieger, Michael J. Bohlinger
-
Patent number: 8704314Abstract: A mechanical memory transistor includes a substrate having formed thereon a source region and a drain region. An oxide is formed upon a portion of the source region and upon a portion of the drain region. A pull up electrode is positioned above the substrate such that a gap is formed between the pull up electrode and the substrate. A movable gate has a first position and a second position. The movable gate is located in the gap between the pull up electrode and the substrate. The movable gate is in contact with the pull up electrode when the movable gate is in a first position and is in contact with the oxide to form a gate region when the movable gate is in the second position. The movable gate, in conjunction with the source region and the drain region and when the movable gate is in the second position, form a transistor that can be utilized as a non-volatile memory element.Type: GrantFiled: December 6, 2007Date of Patent: April 22, 2014Assignee: Massachusetts Institute of TechnologyInventor: Carl O. Bozler
-
Publication number: 20140103466Abstract: The invention relates to measurement and control of mechanical values, in particular, to control of stress conditions of various structures and manufacturing sensors of resistant strain gauge type for measuring various mechanical values. It can be used in manufacturing sensors of deformation, force, pressure, movement, vibration etc. to increase accuracy in resistant strain gauge measuring at sensitivity preservation. The resistant strain gauge for deformation and pressure measuring represents a dielectric substrate with spread strain-sensing layer in state of polycrystalline film, which contains samarium sulfide, and metal contact pads. Pads are placed on the same side of a film and output signals are soldered to them. Strain-sensing layer comprises holes which connect the pads. According to the first option, strain-sensing layer has the following composition Sm1?xLnxS, where Ln is one from the elements: La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Lu, Y, at 0<x<0.3.Type: ApplicationFiled: May 7, 2012Publication date: April 17, 2014Applicant: SMS TENZOTHERM GmbHInventors: Vladimir Vasil'evich Kaminskii, Alexander Vasil'evich Golubkou, Volodin Nikolay Mikhailovich, Soloviev Sergey Mikhailovich
-
Patent number: 8692339Abstract: In a method for manufacturing a micromechanical component, a cavity is produced in the substrate from an opening at the rear of a monocrystalline semiconductor substrate. The etching process used for this purpose and the monocrystalline semiconductor substrate used are controlled in such a way that a largely rectangular cavity is formed.Type: GrantFiled: June 3, 2009Date of Patent: April 8, 2014Assignee: Robert Bosch GmbHInventors: Jochen Reinmuth, Michael Saettler, Stefan Weiss, Arnim Hoechst
-
Patent number: 8692340Abstract: A MEMS device is disclosed. The MEMS device comprises a first plate with a first surface and a second surface; and an anchor attached to a first substrate. The MEMS device further includes a second plate with a third surface and a fourth surface attached to the first plate. A linkage connects the anchor to the first plate, wherein the first plate and second plate are displaced in the presence of an acoustic pressure differential between the first and second surfaces of the first plate. The first plate, second plate, linkage, and anchor are all contained in an enclosure formed by the first substrate and a second substrate, wherein one of the first and second substrates contains a through opening to expose the first surface of the first plate to the environment.Type: GrantFiled: March 13, 2013Date of Patent: April 8, 2014Assignee: Invensense, Inc.Inventors: Erhan Polatkan Ata, Martin Lim, Xiang Li, Stephen Lloyd, Michael Julian Daneman
-
Patent number: 8674462Abstract: A sensor package is disclosed. One embodiment provides a sensor device having a carrier, a semiconductor sensor mounted on the carrier and an active surface. Contact elements are electrically connecting the carrier with the semiconductor sensor. A protective layer made of an inorganic material covers at least the active surface and the contact elements.Type: GrantFiled: July 25, 2007Date of Patent: March 18, 2014Assignee: Infineon Technologies AGInventors: Ralf Wombacher, Horst Theuss
-
Patent number: 8674518Abstract: An embodiment of the invention provides a chip package which includes: a first chip; a second chip disposed on the first chip; a hole extending from a surface of the first chip towards the second chip; a conducting layer disposed on the surface of the first chip and extending into the hole and electrically connected to a conducting region or a doped region in the first chip; and a support bulk disposed between the first chip and the second chip, wherein the support bulk substantially and/or completely covers a bottom of the hole.Type: GrantFiled: December 29, 2011Date of Patent: March 18, 2014Inventors: Shu-Ming Chang, Tsang-Yu Liu, Yen-Shih Ho
-
Patent number: 8671752Abstract: A sensor system includes a supporting element and a sensor element attached to the supporting element and having a main plane of extension. The supporting element has (i) at least one contact element for electrical contacting of the sensor system and (ii) at least one relief structure for stress decoupling, the at least one relief structure being situated in a plane parallel to the main plane of extension essentially between the at least one contact element and the sensor element.Type: GrantFiled: January 21, 2011Date of Patent: March 18, 2014Assignee: Robert Bosch GmbHInventors: Holger Hoefer, Uwe Hansen, Michael Knauss
-
Patent number: 8659099Abstract: A method for manufacturing a micromechanical structure includes: forming a first insulation layer above a substrate; forming a first micromechanical functional layer on the first insulation layer; forming multiple first trenches in the first micromechanical functional layer, which trenches extend as far as the first insulation layer; forming a second insulation layer on the first micromechanical functional layer, which second insulation layer fills up the first trenches; forming etch accesses in the second insulation layer, which etch accesses locally expose the first micromechanical functional layer; and etching the first micromechanical functional layer through the etch accesses, the filled first trenches and the first insulation layer acting as an etch stop.Type: GrantFiled: August 15, 2012Date of Patent: February 25, 2014Assignee: Robert Bosch GmbHInventors: Jochen Reinmuth, Heribert Weber
-
MECHANICAL QUANTITY MEASURING DEVICE, SEMICONDUCTOR DEVICE, EXFOLIATION DETECTING DEVICE, AND MODULE
Publication number: 20140042566Abstract: A mechanical quantity measuring device (100) includes a semiconductor substrate (1) attached to a measured object so as to indirectly measure the mechanical quantity acting on the measured object; a measuring portion (7) capable of measuring a mechanical quantity acting on the semiconductor substrate (1) at a central part (1c) of the semiconductor substrate (1); and plural impurity diffused resistors (3a, 3b, 4a, 4b) forming a group (5) gathering closely to each other in at least one place, on an outer peripheral part (1e) outside the central part (1c) of the semiconductor substrate (1). The plural impurity diffused resistors (3a, 3b, 4a, 4b) forming one of the group (5) are connected to each other to form a Wheatstone bridge (2a, 2b). Thus, the mechanical quantity measuring device (100) can securely detect its own exfoliation.Type: ApplicationFiled: April 21, 2011Publication date: February 13, 2014Applicant: HITACHI, LTD.Inventors: Hiroyuki Ota, Kisho Ashida, Kentaro Miyajima -
Publication number: 20140035072Abstract: A micro-electro-mechanical systems (MEMS) device and method for forming a MEMS device is provided. A proof mass is suspended a distance above a surface of a substrate by a fulcrum. A pair of sensing plates are positioned on the substrate on opposing sides of the fulcrum. Metal bumps are associated with each sensing plate and positioned near a respective distal end of the proof mass. Each metal bump extends from the surface of the substrate and generally inhibits charge-induced stiction associated with the proof mass. Oxide bumps are associated with each of the pair of sensing plates and positioned between the respective sensing plate and the fulcrum. Each oxide bump extends from the first surface of the substrate a greater distance than the metal bumps and acts as a shock absorber by preventing the distal ends of the proof mass from contacting the metal bumps during shock loading.Type: ApplicationFiled: August 1, 2012Publication date: February 6, 2014Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chia-Pao Shu, Wen-Chuan Tai, Chia-Ming Hung, Hsiang-Fu Chen
-
Patent number: 8643129Abstract: A micro-electrical-mechanical device comprises: a transducer arrangement having at least a membrane being mounted with respect to a substrate; and electrical interface means for relating electrical signals to movement of the membrane; in which the transducer arrangement comprises stress alleviating formations which at least partially decouple the membrane from expansion or contraction of the substrate.Type: GrantFiled: March 20, 2007Date of Patent: February 4, 2014Assignee: Wolfson Microelectronics plcInventors: Richard Ian Laming, Mark Begbie
-
Patent number: 8643127Abstract: A sensor device and a method of forming comprises a die pad receives a sensor device, such as a MEMS device. The MEMS device has a first coefficient of thermal expansion (CTE). The die pad is made of a material having a second CTE compliant with the first CTE. The die pad includes a base and a support structure with a CTE compliant with the first and second CTE. The die pad has a support structure that protrudes from a base. The support structure has a height and wall thickness which minimize forces felt by the die pad and MEMS device when the base undergoes thermal expansion or contraction forces from a header.Type: GrantFiled: August 21, 2008Date of Patent: February 4, 2014Assignee: S3C, Inc.Inventors: John Dangtran, Roger Horton
-
Patent number: 8643128Abstract: The present invention discloses an MEMS sensor and a method for making the MEMS sensor. The MEMS sensor according to the present invention includes: a substrate including an opening; a suspended structure located above the opening; and an upper structure, a portion of which is at least partially separated from a portion of the suspended structure; wherein the suspended structure and the upper structure are separated from each other by a step including metal etch.Type: GrantFiled: February 24, 2009Date of Patent: February 4, 2014Assignee: Pixart Imaging IncorporationInventor: Chuan Wei Wang
-
Patent number: 8643125Abstract: A structure and a process for a microelectromechanical system (MEMS)-based sensor are provided. The structure for a MEMS-based sensor includes a substrate chip. A first insulating layer covers a top surface of the substrate chip. A device layer is disposed on a top surface of the first insulating layer. The device layer includes a periphery region and a sensor component region. The periphery region and a sensor component region have an air trench therebetween. The component region includes an anchor component and a moveable component. A second insulating layer is disposed on a top surface of the device layer, bridging the periphery region and a portion of the anchor component. A conductive pattern is disposed on the second insulating layer, electrically connecting to the anchor component.Type: GrantFiled: December 15, 2011Date of Patent: February 4, 2014Assignee: Industrial Technology Research InstituteInventors: Lung-Tai Chen, Shih-Chieh Lin, Yu-Wen Hsu
-
Publication number: 20140027867Abstract: Packages and methods for 3D integration are disclosed. In various embodiments, a first integrated device die having a hole is attached to a package substrate. A second integrated device die can be stacked on top of the first integrated device die. At least a portion of the second integrated device die can extend into the hole of the first integrated device die. By stacking the two dies such that the portion of the second integrated device die extends into the hole, the overall package height can advantageously be reduced.Type: ApplicationFiled: July 27, 2012Publication date: January 30, 2014Applicant: ANALOG DEVICES, INC.Inventor: Thomas Goida
-
Patent number: 8633554Abstract: The present disclosure provides a micro-electro-mechanical systems (MEMS) device and a method for fabricating such a device. In an embodiment, a MEMS device includes a substrate, a dielectric layer above the substrate, an etch stop layer above the dielectric layer, and two anchor plugs above the dielectric layer, the two anchor plugs each contacting the etch stop layer or a top metal layer disposed above the dielectric layer. The device further comprises a MEMS structure layer disposed above a cavity formed between the two anchor plugs and above the etch stop layer from release of a sacrificial layer.Type: GrantFiled: February 1, 2013Date of Patent: January 21, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chia-Hua Chu, Yi Heng Tsai, Kai-Chih Liang, Chia-Pao Shu, Li-Cheng Chu, Kuei-Sung Chang, Hsueh-An Yang, Chung-Hsien Lin
-
Patent number: 8629517Abstract: A method of wafer level packaging includes providing a substrate including a buried oxide layer and a top oxide layer, and etching the substrate to form openings above the buried oxide layer and a micro-electro-mechanical systems (MEMS) resonator element between the openings, the MEMS resonator element enclosed within the buried oxide layer, the top oxide layer, and sidewall oxide layers. The method further includes filling the openings with polysilicon to form polysilicon electrodes adjacent the MEMS resonator element, removing the top oxide layer and the sidewall oxide layers adjacent the MEMS resonator element, bonding the polysilicon electrodes to one of a complementary metal-oxide semiconductor (CMOS) wafer or a carrier wafer, removing the buried oxide layer adjacent the MEMS resonator element, and bonding the substrate to a capping wafer to seal the MEMS resonator element between the capping wafer and one of the CMOS wafer or the carrier wafer.Type: GrantFiled: December 10, 2012Date of Patent: January 14, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun-Wen Cheng, Chung-Hsien Lin, Chia-Hua Chu
-
Publication number: 20140007705Abstract: A microelectromechanical (“MEMS”) load sensor device for measuring a force applied by a human user is described herein. In one aspect, the load sensor device has a contact surface in communication with a touch surface which communicates forces originating on the touch surface to a deformable membrane, on which load sensor elements are arranged, such that the load sensor device produces a signal proportional to forces imparted by a human user along the touch surface. In another aspect, the load sensor device has an overload protection ring to protect the load sensor device from excessive forces. In another aspect, the load sensor device has embedded logic circuitry to allow a microcontroller to individually address load sensor devices organized into an array. In another aspect, the load sensor device has electrical and mechanical connectors such as solder bumps designed to minimize cost of final component manufacturing.Type: ApplicationFiled: July 3, 2013Publication date: January 9, 2014Inventors: Ian Campbell, Ryan Diestelhorst
-
Publication number: 20140001583Abstract: An apparatus including a die including a first side and an opposite second side including a device side with contact points and lateral sidewalls defining a thickness of the die; a build-up carrier coupled to the second side of the die, the build-up carrier including a plurality of alternating layers of conductive material and insulating material, wherein at least one of the layers of conductive material is coupled to one of the contact points of the die; and at least one device within the build-up carrier disposed in an area void of a layer of patterned conductive material. A method and an apparatus including a computing device including a package including a microprocessor are also disclosed.Type: ApplicationFiled: June 30, 2012Publication date: January 2, 2014Applicant: Intel CorporationInventors: Weng Hong Teh, Zuoming Ming Zhao, Danny R. Singh
-
Publication number: 20140001582Abstract: A semiconductor device package having a cavity formed using film-assisted molding techniques is provided. Through the use of such techniques the cavity can be formed in specific locations in the molded package, such as on top of a device die mounted on the package substrate or a lead frame. In order to overcome cavity wall angular limitations introduced by conformability issues associated with film-assisted molding, a gel reservoir feature is formed so that gel used to protect components in the cavity does not come in contact with a lid covering the cavity or the junction between the lid and the package attachment region. The gel reservoir is used in conjunction with a formed level setting feature that controls the height of gel in the cavity. Benefits include decreased volume of the cavity, thereby decreasing an amount of gel-fill needed and thus reducing production cost of the package.Type: ApplicationFiled: June 28, 2012Publication date: January 2, 2014Inventors: Shun Meen Kuo, Li Li
-
Publication number: 20130341739Abstract: A package structure is provided, including: a substrate having a ground pad and an MEMS element; a lid disposed on the substrate for covering the MEMS element; a wire segment electrically connected to the ground pad; an encapsulant encapsulating the lid and the wire segment; and a circuit layer formed on the encapsulant and electrically connected to the wire segment and the lid so as to commonly ground the substrate and the lid, thereby releasing accumulated electric charges on the lid so as to improve the reliability of the MEMS system and reduce the number of I/O connections.Type: ApplicationFiled: October 25, 2012Publication date: December 26, 2013Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.Inventors: Hong-Da Chang, Cheng-Hsiang Liu, Kuang-Wei Huang, Chun-Hung Lin, Hsin-Yi Liao
-
Patent number: 8614492Abstract: Stress sensors and stress sensor integrated circuits using one or more nanowire field effect transistors as stress-sensitive elements, as well as design structures for a stress sensor integrated circuit embodied in a machine readable medium for designing, manufacturing, or testing an integrated circuit, and related methods thereof. The stress sensors and stress sensor integrated circuits include one or more pairs of gate-all-around field effect transistors, which include one or more nanowires as a channel region. The nanowires of each of the field effect transistors are configured to change in length in response to a mechanical stress transferred from an object. A voltage output difference from the field effect transistors indicates the magnitude of the transferred mechanical stress.Type: GrantFiled: October 26, 2009Date of Patent: December 24, 2013Assignee: International Business Machines CorporationInventors: Andres Bryant, Oki Gunawan, Shih-Hsien Lo, Jeffrey W Sleight
-
Patent number: 8610223Abstract: Embodiments of embedded MEMS sensors and related methods are described herein. Other embodiments and related methods are also disclosed herein.Type: GrantFiled: July 27, 2011Date of Patent: December 17, 2013Assignee: Arizona Board of RegentsInventors: Narendra V. Lakamraju, Sameer M. Venugopal, Stephen M. Phillips, David R. Allee
-
Patent number: 8604568Abstract: A method for forming a stacked integrated circuit package of primary dies on a carrier die, includes forming electrically conductive pillars at connection pads defined on an active face of a carrier wafer incorporating carrier integrated circuits, the electrically conductive pillars providing electrical connections to said carrier integrated circuits; attaching primary dies to the active face of the carrier wafer, each supporting electrically conductive pillars at connection pads defined on an active face of the primary die; encapsulating the active face of the carrier wafer and the primary dies attached thereto in an insulating material; producing a wafer package by removing a thickness of the insulating layer sufficient to expose the electrically conductive pillars; and singulating the carrier wafer to form stacked integrated circuit packages, each package comprising at least one primary die on a carrier die.Type: GrantFiled: November 28, 2011Date of Patent: December 10, 2013Assignee: Cambridge Silicon Radio LimitedInventor: Simon Jonathan Stacey
-
Patent number: 8604567Abstract: A micromechanical system having at least one micromechanical device, in particular a sensor device and/or an actuator device, the micromechanical system having a substrate on which at least one micromechanical device is provided, the micromechanical device having at least one structured or unstructured film adhesive on at least one side.Type: GrantFiled: February 9, 2011Date of Patent: December 10, 2013Assignee: Robert Bosch GmbHInventors: Christian Solf, Michael Knauss
-
Patent number: 8601879Abstract: A capacitance type pressure sensor includes a semiconductor substrate having a reference pressure compartment formed therein, a diaphragm formed of a portion of the semiconductor substrate and formed in a surface layer portion of the semiconductor substrate to define the reference pressure compartment, the diaphragm having a through-hole communicating with the reference pressure compartment, fillers arranged within the through-hole, and an isolation insulating layer surrounding the diaphragm to isolate the diaphragm from the remaining portion of the semiconductor substrate.Type: GrantFiled: January 26, 2012Date of Patent: December 10, 2013Assignee: Rohm Co., Ltd.Inventor: Mizuho Okada
-
Publication number: 20130320466Abstract: A capped micromachined accelerometer with a Q-factor of less than 2.0 is fabricated without encapsulating a high-viscosity gas with the movable mass of the micromachined accelerometer by providing small gaps between the movable mass and the substrate, and between the movable mass and the cap. The cap may be an silicon cap, and may be an ASIC smart cap.Type: ApplicationFiled: May 31, 2012Publication date: December 5, 2013Applicant: ANALOG DEVICES, INC.Inventors: Li Chen, Kuang L. Yang
-
Patent number: 8592285Abstract: A method of bonding a semiconductor substrate has a step of pressurizing and heating to bond a substrate 11 with a substrate 12 by eutectic bonding in a state that an aluminum containing layer 31 and a germanium layer 32 between a bonding section 30a of the substrate 11 and a bonding section 30b of the substrate 21 are overlaid and an outer end 32a of the germanium layer 32 is receded inward with respect to an outer end 31a of the aluminum containing layer 31.Type: GrantFiled: December 11, 2009Date of Patent: November 26, 2013Assignees: Pioneer Corporation, Pioneer Micro Technology CorporationInventors: Naoki Noda, Toshio Yokouchi, Masahiro Ishimori
-
Patent number: 8592926Abstract: In one embodiment, a semiconductor structure including a first substrate, a semiconductor device on the first substrate, a second substrate, and a conductive bond between the first substrate and the second substrate that surrounds the semiconductor device to seal the semiconductor device between the first substrate and the second substrate. The conductive bond comprises metal, silicon, and germanium. A percentage by atomic weight of silicon in the conductive bond is greater than 5%.Type: GrantFiled: October 14, 2011Date of Patent: November 26, 2013Assignee: Freescale Semiconductor, Inc.Inventors: Ruben B. Montez, Alex P. Pamatat
-
Publication number: 20130307095Abstract: A composite wafer semiconductor device includes a first wafer and a second wafer. The first wafer has a first side and a second side, and the second side is substantially opposite the first side. The composite wafer semiconductor device also includes an isolation set is formed on the first side of the first wafer and a free space is etched in the isolation set. The second wafer is bonded to the isolation set. A floating structure, such as an inertia sensing device, is formed in the second wafer over the free space. In an embodiment, a surface mount pad is formed on the second side of the first wafer. Then, the floating structure is electrically coupled to the surface mount pad using a through silicon via (TSV) conductor.Type: ApplicationFiled: August 2, 2013Publication date: November 21, 2013Inventor: Bruce C.S. Chou
-
Publication number: 20130299928Abstract: A hybridly integrated component includes an ASIC element having a processed front side, a first MEMS element having a micromechanical structure extending over the entire thickness of the first MEMS substrate, and a first cap wafer mounted over the micromechanical structure of the first MEMS element. At least one structural element of the micromechanical structure of the first MEMS element is deflectable, and the first MEMS element is mounted on the processed front side of the ASIC element such that a gap exists between the micromechanical structure and the ASIC element. A second MEMS element is mounted on the rear side of the ASIC element. The micromechanical structure of the second MEMS element extends over the entire thickness of the second MEMS substrate and includes at least one deflectable structural element.Type: ApplicationFiled: May 9, 2013Publication date: November 14, 2013Applicant: ROBERT BOSCH GMBHInventors: Johannes CLASSEN, Heribert WEBER, Mirko HATTASS, Daniel Christoph MEISEL