Patent classifications
H01L2924/20109
Bonding wire for semiconductor devices
Provided is a bonding wire capable of reducing the occurrence of defective loops. The bonding wire includes: a core material which contains more than 50 mol % of a metal M; an intermediate layer which is formed over the surface of the core material and made of Ni, Pd, the metal M, and unavoidable impurities, and in which the concentration of the Ni is 15 to 80 mol %; and a coating layer formed over the intermediate layer and made of Ni, Pd and unavoidable impurities. The concentration of the Pd in the coating layer is 50 to 100 mol %. The metal M is Cu or Ag, and the concentration of Ni in the coating layer is lower than the concentration of Ni in the intermediate layer.
Method of designing a layout, method of making a semiconductor structure and semiconductor structure
A method of designing a layout includes determining a first layout pattern, wherein the first layout pattern corresponds to a plurality of contact pads. The method further includes generating a second layout pattern. The method further includes checking whether an edge of the second layout pattern overlaps the first layout pattern. The method further includes adjusting the second layout pattern so that the edge of the second layout pattern overlaps the first layout pattern in response to a determination that the edge of the second layout pattern is separated from the first layout pattern.
Method for the manufacture of integrated devices including a die fixed to a leadframe
A method for soldering a die obtained using the semiconductor technique with a leadframe, comprising the steps of providing a leadframe, which has at least one surface made at least partially of copper; providing a die, which has at least one surface coated with a metal layer; applying to the surface a solder alloy comprising at least 40 wt % of tin or at least 50% of indium or at least 50% of gallium, without lead, and heating the alloy to a temperature of at least 380° C. to form a drop of solder alloy; providing a die, which has at least one surface coated with a metal layer; and setting the metal layer in contact with the drop of solder alloy to form the soldered connection with the leadframe. Moreover, a device obtained with said method is provided.
3DIC formation with dies bonded to formed RDLs
A method includes forming a dielectric layer over a carrier, forming a plurality of bond pads in the dielectric layer, and performing a planarization to level top surfaces of the dielectric layer and the plurality of bond pads with each other. A device die is bonded to the dielectric layer and portions of the plurality of bond pads through hybrid bonding. The device die is encapsulated in an encapsulating material. The carrier is then demounted from the device die and the dielectric layer.
Semiconductor structure including buffer layer
A semiconductor structure includes a first contact pad over an interconnect structure. The semiconductor structure further includes a second contact pad over the interconnect structure, wherein the second contact pad is electrically separated from the first contact pad. The semiconductor structure further includes a first buffer layer over the first contact pad, wherein the first buffer layer is partially over the second contact pad, and an edge of the second contact pad farthest from the first contact pad extends beyond the first buffer layer.
PACKAGE AND MANUFACTURING METHOD THEREOF
A package includes a first die, a second die, an encapsulant, and through insulating vias (TIV). The first die has a first bonding structure. The first bonding structure includes a first dielectric layer and first connectors embedded in the first dielectric layer. The second die has a semiconductor substrate and a second bonding structure over the semiconductor substrate. The second bonding structure includes a second dielectric layer and second connectors embedded in the second dielectric layer. Sidewalls of the second dielectric layer are aligned with sidewalls of the semiconductor substrate. The first bonding structure is in physical contact with the second bonding structure such that the first dielectric layer is bonded to the second dielectric layer and the first connectors are bonded to the second connectors. The encapsulant laterally encapsulates the second die. The TIVs are aside the second die and are connected to the first bonding structure.
Hybrid bonded structure
A hybrid bonded structure including a first integrated circuit component and a second integrated circuit component is provided. The first integrated circuit component includes a first dielectric layer, first conductors and isolation structures. The first conductors and the isolation structures are embedded in the first dielectric layer. The isolation structures are electrically insulated from the first conductors and surround the first conductors. The second integrated circuit component includes a second dielectric layer and second conductors. The second conductors are embedded in the second dielectric layer. The first dielectric layer is bonded to the second dielectric layer and the first conductors are bonded to the second conductors.
Film-shaped firing material and film-shaped firing material with a support sheet
A film-shaped firing material 1 is provided, including sinterable metal particles 10 and a binder component 20, in which a content of the sinterable metal particles 10 is in a range of 15% to 98% by mass, a content of the binder component 20 is in a range of 2% to 50% by mass, a shrinkage factor in a planar direction of the film-shaped firing material after being pressurized and fired under conditions of a temperature of 350° C. and a pressure of 10 MPa for 3 minutes is 10% or less with respect to the shrinkage factor before the firing, and a volume shrinkage factor thereof is in a range of 15% to 90% with respect to the volume shrinkage factor before the firing, and a contact ratio of the film-shaped firing material with an adherend after being pressurized and fired under conditions of a temperature of 350° C. and a pressure of 10 MPa for 3 minutes in a state in which the film-shaped firing material is in contact with the adherend is 90% or greater with respect to a contact area of the adherend.
Sintering materials and attachment methods using same
Methods for die attachment of multichip and single components including flip chips may involve printing a sintering paste on a substrate or on the back side of a die. Printing may involve stencil printing, screen printing, or a dispensing process. Paste may be printed on the back side of an entire wafer prior to dicing, or on the back side of an individual die. Sintering films may also be fabricated and transferred to a wafer, die or substrate. A post-sintering step may increase throughput.
SEMICONDUCTOR STRUCTURE INCLUDING BUFFER LAYER
A semiconductor structure includes a first contact pad over an interconnect structure. The semiconductor structure further includes a second contact pad over the interconnect structure, wherein the second contact pad is electrically separated from the first contact pad. The semiconductor structure further includes a first buffer layer over the first contact pad, wherein the first buffer layer is partially over the second contact pad, and an edge of the second contact pad farthest from the first contact pad extends beyond the first buffer layer.