Patents Assigned to Chipmos Technologies Inc.
  • Patent number: 8980695
    Abstract: The present invention provides a method for manufacturing a semiconductor package structure, including (i) providing a carrier plate; (ii) disposing a die on the carrier plate; (iii) forming a plurality of bonding wires having a first end and a second end; (iv) forming an encapsulant covering the die and the bonding wires and exposing a portion of each of the bonding wires from a first surface thereof; (v) removing the carrier plate; (vi) forming a patterned conductive layer on a second surface of the encapsulant opposite to the first surface; (vii) electrically connecting the second ends of the bonding wires to the active surface of the die via the patterned conductive layer; and (viii) forming a plurality of first external connection terminals on the first surface of the encapsulant respectively covering the portions of the bonding wires exposed from the encapsulant.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: March 17, 2015
    Assignee: Chipmos Technologies Inc.
    Inventor: Tsung Jen Liao
  • Publication number: 20150061121
    Abstract: The present disclosure relates to a method for wafer level packaging and a package structure thereof. The method includes several steps. A through hole is formed in the interposer with a thickness that is less than the length of a first conducting pillar. The first conducting pillar is disposed inside the through hole. A redistribution layer is disposed and electrically connected with the first conducting pillar. A solder ball is disposed on the redistribution layer so as to form a wafer level packaging structure.
    Type: Application
    Filed: March 5, 2014
    Publication date: March 5, 2015
    Applicant: CHIPMOS TECHNOLOGIES INC
    Inventor: TSUNG JEN LIAO
  • Publication number: 20150053752
    Abstract: The present disclosure relates to a ball planting device for mounting a solder ball and a ball planting method thereof. The device includes a substrate, a dielectric layer, and a solder paste. The substrate includes a surface. The dielectric layer is disposed on the surface. The dielectric layer includes a plurality of apertures. The solder paste fills the apertures. A top surface of the solder paste is aligned with an exposed surface of the dielectric layer.
    Type: Application
    Filed: May 22, 2014
    Publication date: February 26, 2015
    Applicant: CHIPMOS TECHNOLOGIES INC
    Inventor: TSUNG JEN LIAO
  • Patent number: 8962395
    Abstract: The present invention provides a Quad Flat Non-leaded (QFN) package, which comprises a chip, a lead frame, a plurality of composite bumps and an encapsulant. The chip has a plurality of pads, and the lead frame has a plurality of leads. Each of the plurality of composite bumps has a first conductive layer and a second conductive layer. The first conductive layer is electrically connected between one of the pads and the second conductive layer, and the second conductive layer is electrically connected between the first conductive layer and one of the leads. The encapsulant encapsulates the chip, the leads and the composite bumps. Thereby, a QFN package with composite bumps and a semi-cured encapsulant is forming between the spaces of leads of lead frame before chip bonded to the lead frame are provided.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: February 24, 2015
    Assignee: ChipMOS Technologies Inc.
    Inventor: Geng-Shin Shen
  • Patent number: 8895368
    Abstract: A method for manufacturing a chip package structure includes following steps. A carrier having a metal layer is provided. A patterned photoresist layer is formed on the metal layer. The patterned photoresist layer has a plurality of first openings exposing a portion of the metal layer. Connection terminals are formed in the first openings, respectively, and the connection terminals are connected to the metal layer. A chip is placed on the carrier, and first pads of the chip are respectively connected to the connection terminals through a plurality of connection conductors. After the chip is placed on the carrier, the patterned photoresist layer is removed. A encapsulant is formed on the carrier. The encapsulant encapsulates the chip, the connection conductors, and the metal layer. The carrier and the metal layer are removed to expose the connection terminals.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: November 25, 2014
    Assignee: ChipMOS Technologies Inc.
    Inventor: Chien-Hao Wang
  • Patent number: 8877630
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes forming a conductive pad on a semiconductor die; forming a seed layer over the conductive pad; defining a first mask layer over the seed layer; and forming a silver alloy bump body in the first mask layer. The forming a silver alloy bump body in the first mask layer includes operations of preparing a first cyanide-based bath; controlling a pH value of the first cyanide-based bath to be within a range of from about 6 to about 8; immersing the semiconductor die into the first cyanide-based bath; and applying an electroplating current density of from about 0.1 ASD to about 0.5 ASD to the semiconductor die.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: November 4, 2014
    Assignee: ChipMos Technologies Inc.
    Inventors: Shih Jye Cheng, Tung Bao Lu
  • Publication number: 20140322869
    Abstract: A method for manufacturing a chip package structure includes following steps. A carrier having a metal layer is provided. A patterned photoresist layer is formed on the metal layer. The patterned photoresist layer has a plurality of first openings exposing a portion of the metal layer. Connection terminals are formed in the first openings, respectively, and the connection terminals are connected to the metal layer. A chip is placed on the carrier, and first pads of the chip are respectively connected to the connection terminals through a plurality of connection conductors. After the chip is placed on the carrier, the patterned photoresist layer is removed. A encapsulant is formed on the carrier. The encapsulant encapsulates the chip, the connection conductors, and the metal layer. The carrier and the metal layer are removed to expose the connection terminals.
    Type: Application
    Filed: December 18, 2013
    Publication date: October 30, 2014
    Applicant: ChipMOS Technologies Inc.
    Inventor: Chien-Hao Wang
  • Patent number: 8872336
    Abstract: A conductive structure for a semiconductor chip and a method for forming the conductive structure are provided. The semiconductor chip comprises a semiconductor substrate, a pad, a passivation layer and a patterned insulating layer. The patterned insulating layer is disposed on the passivation layer and partially and directly covers the first opening of the pad to expose a second opening. The conductive structure comprises an under bump metal (UBM) layer and a conductive bump. The UBM layer is disposed in the second opening defined by the patterned insulating layer and is electrically connected to the pad. The conductive bump is disposed on the UBM layer and is electrically connected to the UBM layer. The upper surface of the conductive bump is greater than the upper surface of the patterned insulating layer, while the portion of the conductive bump disposed in the second opening is covered by the UBM layer.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: October 28, 2014
    Assignee: Chipmos Technologies Inc.
    Inventors: Geng-Shin Shen, Chung-Pang Chi
  • Patent number: 8836144
    Abstract: The present invention provides a semiconductor package structure, which includes a die, a plurality of bonding wires, an encapsulant, and a plurality of first external terminals. The die has an active surface and a back surface. A first end of each of the bonding wires is connected to the back surface of the die, and a second end opposite to the first end is electrically connected to the active surface of the die. The encapsulant covers the back surface of the die and the bonding wires, wherein a portion of each of the bonding wires is exposed from the encapsulant. The first external terminals are disposed on the top surface of the encapsulant, and cover the exposed portions of the bonding wires respectively and are electrically connected to the bonding wires.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 16, 2014
    Assignee: Chipmos Technologies Inc.
    Inventor: Tsung Jen Liao
  • Patent number: 8809088
    Abstract: A structure of stacking chips and a method for manufacturing the structure of stacking chips are provided. A wafer with optical chips and a glass substrate with signal processing chips are stacked with each other, and then subjected to ball mounting and die sawing to form the stacked packaging structure. The optical chips and the signal processing chips form the electrical connection on the surface of the glass substrate via the through holes thereof.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 19, 2014
    Assignee: Chipmos Technologies Inc.
    Inventors: Geng-Shin Shen, Ya Chi Chen, I-Hsin Mao
  • Patent number: 8786109
    Abstract: A conductive structure for a semiconductor chip and a method for forming the conductive structure are provided. The semiconductor chip comprises a plurality of first pads and second pads. The pad area is defined with a first area, a second area and a third area, wherein the first area is located between the second area and the third area. Each of the first pads and the second pads are interlaced to each other on the first area. The conductive structure comprises a plurality of conductive bumps formed on each of the first pads and the second pads respectively to electrically connect with each of the first pads and the second pads. Each of the conductive bumps has a first bump-width disposed on the first area and a second bump-width disposed on one of the second and third areas in which the first bump-width is shorter than the second bump-width.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: July 22, 2014
    Assignee: Chipmos Technologies Inc.
    Inventor: Chung-Pang Chi
  • Patent number: 8786082
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, at least two pads, a passivation layer, at least two under bump metallization (UBM) layers and at least two bumps. The pads are disposed adjacent to each other on the substrate along the first direction. The passivation layer covers the substrate and the peripheral upper surface of each pad to define an opening. Each of the openings defines an opening projection along the second direction. The opening projections are disposed adjacent to each other but not overlapping with each other. Furthermore, the first direction is perpendicular to the second direction. The UBM layers are disposed on the corresponding openings, and the bumps are respectively disposed on the corresponding UBM layers. With the above arrangements, the width of each bump of the semiconductor structure of the present invention could be widened without being limited by the bump pitch.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: July 22, 2014
    Assignee: Chipmos Technologies Inc.
    Inventor: Geng-Shin Shen
  • Patent number: 8779604
    Abstract: A semiconductor structure includes a device, a conductive pad on the device, and a Ag1-xYx alloy bump over the conductive pad. The Y of the Ag1-xYx bump comprises metals forming complete solid solution with Ag at arbitrary weight percentage, and the X of the Ag1-xYx alloy bump is in a range of from about 0.005 to about 0.25. A difference between one standard deviation and a mean value of a grain size distribution of the Ag1-xYx alloy bump is in a range of from about 0.2 ?m to about 0.4 ?m. An average grain size of the Ag1-xYx alloy bump on a longitudinal cross sectional plane is in a range of from about 0.5 ?m to about 1.5 ?m.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 15, 2014
    Assignee: Chipmos Technologies Inc.
    Inventors: Shih Jye Cheng, Tung Bao Lu
  • Patent number: 8772089
    Abstract: A chip package structure including a leadframe, a chip, bonding wires and an encapsulant is provided. The leadframe includes a die pad, leads and an insulating layer. The die pad includes a chip mounting portion and a periphery portion. At the periphery portion, the die pad has a second upper surface lying between a first upper surface and a lower surface of the die pad. Each lead includes a suspending portion and a terminal portion. The suspending portion connects to the terminal portion and extends from the terminal portion towards the die pad. The insulating layer is disposed on the second upper surface of the periphery portion and connects the suspending portions to the die pad. The chip is disposed on the chip mounting portion. The bonding wires electrically connect the chip to the suspending portions. The encapsulant covers the chip, the bonding wires, the insulating layer, and the leadframe.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: July 8, 2014
    Assignee: ChipMOS Technologies Inc.
    Inventors: Yu-Tang Pan, Shih-Wen Chou
  • Publication number: 20140159253
    Abstract: A chip structure and a multi-chip stack package are provided. The chip structure includes a chip, at least one interlink plate and a plurality of first connection terminals. The chip has an active surface, a back surface opposite to the active surface and a plurality of side surfaces respectively connected to the active surface and the back surface. The chip includes at least one bond pad disposed on the active surface and at least one joint pad disposed on the back surface. The interlink plate substantially parallel to one of the side surfaces includes a base and a conductive pattern disposed on the base. The conductive pattern is located between the base and the chip. The first connection terminals are disposed between the chip and the interlink plate. The bond pad is electrically connected to the joint pad through the first connection terminals and the conductive pattern.
    Type: Application
    Filed: March 18, 2013
    Publication date: June 12, 2014
    Applicant: ChipMOS Technologies Inc.
    Inventor: Tsung-Jen Liao
  • Patent number: 8736060
    Abstract: This invention relates to a packaging structure and method for manufacturing the packaging structure. The packaging structure comprises a substrate film, a plurality of chips, a compound resin layer and a support layer. The substrate film is formed with circuits having a plurality of terminals exposed from a solder mask. The chips, each of which has a plurality of pads, under bump metals (UBMs) formed on the pads, and composite bumps disposed onto the UBMs, are bonded onto the substrate film to form the first tape. The second tape comprises the support layer and the compound resin layer formed on the support layer. The first tape and the second tape are both in reel-form and are expanded towards a pair of rollers to be heated and pressurized for encapsulating the chips.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: May 27, 2014
    Assignee: Chipmos Technologies Inc.
    Inventors: Jun-Yong Wang, Geng-Shin Shen
  • Patent number: 8723316
    Abstract: A chip package structure includes a flexible substrate having a chip mounting region, a plurality of leads disposed on the flexible substrate, an insulating layer and a chip. Each lead includes a body portion and an inner lead portion connected to each other. The body portion is located outside the chip mounting region and has a thickness greater than that of the inner lead portion. The insulating layer is disposed on the inner lead portions. The chip has an active surface on which a plurality of bumps and a seal ring adjacent to the chip edges are disposed. The chip is mounted within the chip mounting region and electrically connects the flexible substrate by connecting the inner lead portions of the leads with the bumps. The insulating layer is corresponding to the seal ring in position when the chip is electrically connected to the flexible substrate.
    Type: Grant
    Filed: May 28, 2012
    Date of Patent: May 13, 2014
    Assignee: ChipMOS Technologies Inc.
    Inventors: Wei-Ming Chen, Chi-Chia Huang
  • Patent number: 8712932
    Abstract: A computer implemented apparatus for automatically generating and filtering creative proposals is disclosed. Particularly, the computer implemented apparatus automatically generates all possible featured component code sets which corresponding to all possible featured components, and compares them to the prior art code sets which corresponding to the prior objects. Thereby, the novel code sets which corresponding to the novel creative proposals are rapidly filtered out. The computer implemented apparatus comprises a standard component database, a permutation and combination module, a featured component code set database, a prior art code set database, a matching module, a sifting module and an output module.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: April 29, 2014
    Assignee: Chipmos Technologies Inc.
    Inventors: Geng-Shin Shen, Hui-Chung Che
  • Patent number: 8697566
    Abstract: A manufacturing method of a bump structure is provided. A substrate having at least one pad and a passivation layer is provided. The passivation layer has at least one first opening exposing the pad. An insulating layer is formed on the passivation layer. The insulating layer has at least one second opening located above the first opening. A metal layer is formed on the insulating layer. The metal layer electrically connects the pad through the first and second openings. A first bump is formed in the first and second openings. A second bump is formed on the first bump and a portion of the metal layer. The metal layer not covered by the second bump is partially removed by using the second bump as a mask, so as to form at least one UBM layer. The first bump is completely covered by the UBM layer and the second bump.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: April 15, 2014
    Assignee: ChipMOS Technologies Inc.
    Inventor: Chung-Pang Chi
  • Patent number: 8691630
    Abstract: A method of manufacturing a semiconductor package structure is provided. A heat-conductive block is adhered to a portion of a second surface of a conductive substrate via a first adhesive layer. An opening is formed by performing a half-etching process on a first surface of the conductive substrate. The remaining conductive substrate is patterned to form leads and expose a portion of the heat-conductive block. Each lead has a first portion and a second portion. A thickness of the first portion is greater than a thickness of the second portion. A first lower surface of the first portion and a second lower surface of the second portion are coplanar. A chip is disposed on the exposed portion of the heat-conductive block and electrically connected to the second portions of the leads. A first bottom surface of the heat-conductive block and a second bottom surface of a molding compound are coplanar.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: April 8, 2014
    Assignee: ChipMOS Technologies Inc.
    Inventors: Yu-Tang Pan, Shih-Wen Chou