Patents Examined by Hoa B. Trinh
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Patent number: 7288431Abstract: A stiffener molded to a semiconductor substrate, such as a lead frame, and methods of molding the stiffener to the substrate are provided. The stiffener is molded to the substrate to provide rigidity and support to the substrate. The stiffener material can comprise a polymeric material molded to the substrate by a molding technique such as transfer molding, injection molding, and spray molding, or using an encapsulating material. One or more dies, chips, or other semiconductor or microelectronic devices can be disposed on the substrate to form a die assembly. The stiffener can be molded to a substrate comprising one or more dies, over which an encapsulating material can be applied to produce a semiconductor die package.Type: GrantFiled: November 16, 2005Date of Patent: October 30, 2007Assignee: Micron Technology, Inc.Inventors: Chad A. Cobbley, Cary J. Baerlocher
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Patent number: 7276792Abstract: A semiconductor device in the first embodiment includes: an electrode pad and a resin projection, formed on an active surface; a conductive film deposited from a surface of the electrode pad to a surface of the resin projection; a resin bump formed with the resin projection and with the conductive film. The semiconductor device is conductively connected to the opposing substrate through the resin bump electrode. The testing electrode is formed with the conductive film that is extended and applied to the opposite side of the electrode pad across the resin projection.Type: GrantFiled: May 13, 2005Date of Patent: October 2, 2007Assignee: Seiko Epson CorporationInventors: Shuichi Tanaka, Haruki Ito, Yasuhito Aruga, Ryohei Tamura, Michiyoshi Takano
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Patent number: 7271090Abstract: A combination wafer is manufactured by (i) forming a plurality of alternating dielectric and metal layers, (ii) forming a guard ring trench in the layers, (iii) forming a guard ring layer in the guard ring trench, and then repeating (i), (ii) with a slightly wider guard ring trench, and (iii). A number of layers are thus simultaneously etched and lined with a guard ring layer, but the number of layers is not so large so as to cause lithographic problems that may occur when a deep, narrow guard ring trench is formed. An upper one of the layers that are patterned is always made of silicon dioxide, which includes less carbon than lower polymer layers and allows for a carbon mask to be formed and be easily removed. The slightly wider guard ring trench each time the process is repeated overcomes lithographic alignment problems that may occur when the guard ring trenches are exactly the same size. Subsequent guard ring layers are partially formed on one another, and provide a moisture seal.Type: GrantFiled: March 21, 2005Date of Patent: September 18, 2007Assignee: Intel CorporationInventors: Hitesh Windlass, Wayne K Ford
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Patent number: 7271421Abstract: A light-emitting diode array comprising a conductive layer formed on a substrate, pluralities of separate light-emitting portions formed on the conductive layer, a first groove formed in the conductive layer to divide the light-emitting portions to blocks, a first electrodes formed on at least part of an upper surface of each light-emitting portion, a second electrode formed directly on the conductive layer in each block, switching common wirings separately connecting the first electrodes and first bonding pads each connected to each common wiring, first bonding pads each connected to each common wiring, and second bonding pads each connected to each second electrode, the first bonding pads and the second bonding pads being arranged longitudinally in a row, and a ratio of the number of the first bonding pads to the number of the second bonding pads being 1:n (n?3).Type: GrantFiled: August 4, 2004Date of Patent: September 18, 2007Assignee: Hitachi Cable, Ltd.Inventors: Tomihisa Yukimoto, Eiichi Kunitake, Satoshi Sugiyama, Toshimitsu Sukegawa, Masahiro Noguchi
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Patent number: 7268002Abstract: A packaging method, a packaging structure and a package is substrate capable of restraining a warp of a thin film substrate, increasing a product yield, and building up a sufficient cooling capacity in the case of mounting an LSI having a high exothermic quantity. A package substrate 1 of the invention is such that an opening 11 is formed in a first substrate 12, a thin film substrate (a second substrate) 13 is laminated on the first substrate 12, the opening 11 is covered with the thin film substrate 13. Next, a capacitor (a first electronic part) 14 is inserted into the opening 11 and bonded to the thin film substrate, a resin 15 fills an interior of the opening 11 to a fixed or larger thickness and is hardened, the thin film substrate 13 and the capacitor 14 are thereby sustained by the resin 15, an LSI 16 (a second electronic part) that should be connected to the capacitor 14 is bonded to a surface, on an exposed side, of the thin film substrate 13, and the capacitor 14 is connected to the LSI 16.Type: GrantFiled: November 3, 2005Date of Patent: September 11, 2007Assignee: Fujitsu LimitedInventors: Masateru Koide, Misao Umematsu, Takashi Kanda, Yasuhiro Usui, Kenji Fukuzono
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Patent number: 7268418Abstract: A multi-chips stacked package at least comprises a substrate, a lower chip, an upper chip, an adhesive layer, a supporting body and an encapsulation. The lower chip is disposed on the substrate and the upper chip is attached to the lower chip via the adhesive layer. In addition, the lower chip and the upper chip are electrically connected to the substrate via first electrically conductive wires and second electrically conductive wires respectively. Furthermore, the supporting body is disposed on the lower chip and at the periphery of the upper surface of the lower chip, and covered by the upper chip. The top of the supporting body is apart from the back surface of the upper chip with a distance. Accordingly, when the second electrically conductive wires are bonded the upper chip to the substrate with a larger bonding force to cause the upper chip to be tilted more, the supporting body will support the upper chip and prevent the upper chip from contacting the first electrically conductive wires.Type: GrantFiled: December 30, 2003Date of Patent: September 11, 2007Assignee: Advanced Semiconductor Engineering, Inc.Inventor: Sung-Fei Wang
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Patent number: 7265006Abstract: A method of fabricating heterojunction devices, in which heterojunction devices are epitaxially formed on active area regions surrounded by field oxide regions and containing embedded semiconductor wells. The epitaxial growth of the heterojunction device layers may be selective or not and the epitaxial layer may be formed so as to contact individually each one of a plurality of heterojunction devices or contact a plurality of heterojunction devices in parallel. This method can be used to fabricate three-terminal devices and vertically stacked devices.Type: GrantFiled: July 7, 2005Date of Patent: September 4, 2007Assignee: Quantum Semiconductor LLCInventors: Carlos J.R.P. Augusto, Lynn Forester
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Patent number: 7262472Abstract: A semiconductor device has: active regions including a p-type active region; an insulated gate electrode structure formed on each of the active regions, and having a gate insulating film and a gate electrode formed thereon; side wall spacers formed on side walls of the insulated gate electrode structures; source/drain regions having extension regions having the opposite conductivity type to that of the active region and formed on both sides of the insulated gate electrode structures and source/drain diffusion layers having the opposite conductivity type and formed in the active regions outside of the side wall spacers; first recess regions formed by digging down the n-type source/drain regions in the p-type active region from surfaces of the n-type source/drain regions; and a first nitride film having tensile stress formed covering the p-type active region and burying the first recess regions.Type: GrantFiled: October 22, 2004Date of Patent: August 28, 2007Assignee: Fujitsu LimitedInventor: Sergey Pidin
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Patent number: 7262086Abstract: A method for forming a contact to a semiconductor fin which can be carried out by first providing a semiconductor fin that has a top surface, two sidewall surfaces and at least one end surface; forming an etch stop layer overlying the fin; forming a passivation layer overlying the etch stop layer; forming a contact hole in the passivation layer exposing the etch stop layer; removing the etch stop layer in the contact hole; and filling the contact hole with an electrically conductive material.Type: GrantFiled: June 30, 2006Date of Patent: August 28, 2007Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yee-Chia Yeo, Fu-Liang Yang, Chenming Hu
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Patent number: 7256430Abstract: A thyristor memory device may comprise a capacitor electrode formed over a base region of the thyristor using a replacement gate process. During formation of the thyristor, a base-emitter boundary may be aligned relative to a shoulder of the capacitor electrode. In a particular embodiment, the replacement gate process may comprise defining a trench in a layer of dielectric over semiconductor material. Conductive material for the electrode may be formed over the dielectric and in the trench. It may further be patterned to form a shoulder for the electrode that extends over regions of the dielectric over a base region for the thyristor. The extent of the shoulder may be used to pattern the dielectric and/or to assist alignment of implants for the base and emitter regions of the thyristor.Type: GrantFiled: December 15, 2005Date of Patent: August 14, 2007Assignee: T-RAM Semiconductor, Inc.Inventor: Andrew E. Horch
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Patent number: 7247884Abstract: A photo-excited semiconductor layer smaller in band gap energy than a light-emitting layer made of a Group III nitride compound semiconductor is provided between a substrate and the light-emitting layer. The photo-excited semiconductor layer is excited by the light emitted from the light-emitting layer to thereby emit light at a wavelength longer than that of the light emitted from the light-emitting layer.Type: GrantFiled: June 7, 2002Date of Patent: July 24, 2007Assignee: Toyoda Gosei Co., Ltd.Inventors: Naoki Shibata, Takahiro Kozawa
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Patent number: 7247890Abstract: Disclosed is herein a semiconductor device having a DRAM with less scattering of threshold voltage of MISFET in a memory cell and having good charge retainability of a capacitor, and a manufacturing method of the semiconductor device. An anti-oxidation film is formed to the side wall of a gate electrode before light oxidation thereby suppressing the oxidation of the side wall for the gate electrode and decreasing scattering of the thickness of the film formed to the sidewall in an asymmetric diffusion region structure in which the impurity concentration of an n-type semiconductor region and a p-type semiconductor region on the side of the data line is made relatively higher than the impurity concentration in the n-type semiconductor region and p-type semiconductor region on the side of the capacitor, respectively.Type: GrantFiled: September 1, 2004Date of Patent: July 24, 2007Assignee: Hitachi, Ltd.Inventors: Tomoko Sekiguchi, Shinichiro Kimura, Renichi Yamada, Kikuo Watanabe, Hiroshi Miki, Kenichi Takeda
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Patent number: 7245009Abstract: A packaging structure (10) is provided having a hermetic sealed cavity for microelectronic applications. The packaging structure (10) comprises first and second packaging layers (12, 28) forming a cavity. Two liquid crystal polymer (LCP) layers (16, 22) are formed between and hermetically seal the first and second packaging layers (12, 28). First and second conductive strips (18, 20) are formed between the LCP layers (16, 22) and extend into the cavity. An electronic device (24) is positioned within the cavity and is coupled to the first and second conductive strips (18, 20).Type: GrantFiled: June 29, 2005Date of Patent: July 17, 2007Assignee: Motorola, Inc.Inventors: Bruce A. Bosco, Rudy M. Emrick, Steven J. Franson, John E. Holmes, Stephen K. Rockwell
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Patent number: 7235428Abstract: A semiconductor device production method including: the step of forming a stopper mask layer of a first metal on a semiconductor substrate, the stopper mask layer having an opening at a predetermined position thereof; the metal supplying step of supplying a second metal into the opening of the stopper mask layer to form a projection electrode of the second metal; and removing the stopper mask layer after the metal supplying step.Type: GrantFiled: November 12, 2003Date of Patent: June 26, 2007Assignees: Rohm Co., Ltd., Mitsubishi Denki Kabushiki Kaisha, Sanyo Electric Co., Ltd.Inventors: Kazumasa Tanida, Yoshihiko Nemoto, Mitsuo Umemoto
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Patent number: 7230281Abstract: A semiconductor light emitting device has: a semiconductor substrate; a semiconductor layer having an n-type cladding layer, an active layer, a p-type cladding layer and a p-type contact layer, wherein the p-type contact layer is made of an As-based material and located at the top of the semiconductor layer and doped with a p-type dopant at a concentration of 1×1019/cm3 or more; a current spreading layer formed on the semiconductor layer and made of a metal oxide material; and a diffusion prevention layer formed between the p-type contact layer and the p-type cladding layer. The diffusion prevention layer is made of a group III–V semiconductor that has phosphorus as a group V element and has a crystal lattice mismatch ratio of within ±0.3% to the semiconductor substrate.Type: GrantFiled: June 24, 2005Date of Patent: June 12, 2007Assignee: Hitachi Cable, Ltd.Inventors: Masahiro Arai, Taichiroo Konno, Kazuyuki Iizuka
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Patent number: 7230291Abstract: Ferroelectric capacitors are provided that include an integrated circuit substrate and a supporting insulation layer on the integrated circuit substrate having a face and a trench in the face. An oxidation barrier conductive layer is provided in the trench and a lower electrode is provided on the oxidation barrier conductive layer. A ferroelectric layer is provided on the lower electrode and an upper electrode is provided on the ferroelectric layer. Related methods of fabricating ferroelectric capacitors are also provided.Type: GrantFiled: August 28, 2003Date of Patent: June 12, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Hyun-Ho Kim
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Patent number: 7227269Abstract: The wiring structure of a pad section in a semiconductor device includes a row of pads and a plurality of first bias wirings provided at either side of the row of pads on a same plane. The first bias wirings carry electrical signals to the pads. A plurality of second bias wirings is formed below the layer having the first bias wirings and the pads. The second bias wirings include a set of wiring parts that run in the direction of the row of pads to overlap with adjacent pads in the layer above. The second bias wirings also include a set of wiring parts that run perpendicular to the direction of the first bias wirings and between two adjacent pads in the layer above.Type: GrantFiled: May 16, 2005Date of Patent: June 5, 2007Assignee: Hynix Semiconductor Inc.Inventor: Dong Heon Yang
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Patent number: 7227242Abstract: An etched substrate structure is augmented by conductive material to provide enhanced electrical and/or thermal performance. A semiconductor device substrate comprising active regions defined on a top surface is masked and etched to define a pattern of blind features in a bottom surface of the substrate. A conductive material is then deposited on the surface of the blind features. The replacement of semiconductor material with the conductive material lowers the resistance between the active elements on the top surface and the bottom surface. The blind features may be placed in proximity to parasitic bipolar transistors in order to increase immunity to latchup. During wafer processing, a pattern of grooves aligned opposite to a scribe street pattern may be etched on the wafer back side in order to facilitate the separation of individual devices.Type: GrantFiled: October 9, 2003Date of Patent: June 5, 2007Assignee: QSpeed Semiconductor Inc.Inventors: Chong Ming Lin, Jay Denning, Ho Yuan Yu
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Patent number: 7221041Abstract: A multi-chips module package comprises a lead frame, a first chip, a second chip, a plurality of electrically conductive wires and an encapsulation. The lead frame has a plurality of first leads, second leads and chip pads connecting to the first leads. The first chip is placed on the lead frame and electrically connected to the lead frame through the bumps connecting the bump-bonding pads and the chip pads and the first leads; the second chip is placed over the first chip and electrically connected to the lead frame through the wires connecting the wire-bonding pads to the second leads; and the encapsulation covers the first chip, the second chip, the lead frame, and the wires. In such a manner, it not only reduces the distance of transmitting the electrical signals from chips to the outside but also it can save cost due to the lead frame manufactured by a simple manufacturing processes. In addition, a manufacturing method of the multi-chips module package is provided.Type: GrantFiled: July 28, 2004Date of Patent: May 22, 2007Assignee: Advanced Semiconductor Engineering, Inc.Inventors: Chian-Chi Lin, Chih-Huang Chang
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Patent number: 7217603Abstract: A semiconductor device and a method for fabricating a semiconductor device involve a semiconductor layer that includes a first material and a second material. The first and second materials can be silicon and germanium. A contact of the device has a portion proximal to the semiconductor layer and a portion distal to the semiconductor layer. The distal portion includes the first material and the second material. A metal layer formed adjacent to the relaxed semiconductor layer and adjacent to the distal portion of the contact is simultaneously reacted with the relaxed semiconductor layer and with the distal portion of the contact to provide metallic contact material.Type: GrantFiled: March 7, 2005Date of Patent: May 15, 2007Assignee: AmberWave Systems CorporationInventors: Matthew T. Currie, Richard Hammond