Abstract:
A 3D circuit module which is highly reliable, easily layered and able to mount electronic components in high density is obtained by providing a support member having a frame in the periphery thereof and a recess; a coating layer for coating the frame and filling in the recess, the coating layer being made of resin material which is adhesive and has a softening temperature lower than the softening temperature of the support member; a wiring pattern formed on the coating layer, the wiring pattern including a first land on the frame, a second land on the recess, and a wiring part for connecting between the first land and the second land; and an electronic component having a projecting electrode formed on a side thereof, the electronic component being bonded to the coating layer and accommodated in the recess, with the projecting electrode connected to the second land.
Abstract:
PROBLEM TO BE SOLVED: To provide an effective and cost-effective manufacturing process and a device making use of the result of a new development to make it possible to position a chip by a three-dimensional array on a printed circuit substrate. SOLUTION: This method makes use of a unique chip carrier. It employs a manufacturing process of a plurality of processes that automate the surface mounting of a semiconductor chip and achieve the three-dimensional array of a chip. It includes a process of imparting solder to a plurality of chip carriers simultaneously, a process of positioning a chip carrier having a chip on a printed circuit substrate and a process of connecting all the elements eternally after making a chip and a carrier constituted as a three-dimensional array pass a single reflow oven and completing a single reflow process. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a method for collective fabrication of a 3D electronic module including only a validated PCB.SOLUTION: The present invention relates to a method for collective fabrication of a 3D electronic module. The method includes the steps of: fabricating a laminate of reconstructed wafers including a validated active component, the laminate including a redistribution layer; fabricating a panel of a validated passive printed circuit board, the step including the following substeps of fabricating a panel of a printed circuit board, performing an electrical test of the printed circuit board, fitting the validated printed circuit board to an adhesive substrate, molding a mounted circuit in an electrically insulating resin called a coating resin and polymerizing the resin, and removing the adhesive substrate to obtain a panel including only a validated printed circuit board; bonding the panel by using a laminate (of reconstructed wafers); and cutting a "laminate-panel" assembly in order to obtain a 3D electronic module.
Abstract:
PROBLEM TO BE SOLVED: To easily achieve a package at low cost, the package having a function equal to that of a package that does not include a semiconductor chip which does not operate normally even when including a semiconductor chip which does not operate normally.SOLUTION: A composite layered chip package 1 includes a plurality of subpackages 1A-1E. Each of the subpackages includes a body and wiring. The body has a main part including a plurality of layer portions 10, and a first terminal and a second terminal arranged on the upper surface and the lower surface of the main part, respectively. The wiring is connected to the first and second terminals. In all of the subpackages, the number of the layer portions 10 is equal, and the plurality of layered portions 10 include at least one first type layer portion. In at least two of the plurality of subpackages, the plurality of layer portions 10 further include a second type layer portion. A semiconductor chip of the first type layer portion is connected to the wiring, and a semiconductor chip of the second type layer portion is not connected to the wiring.
Abstract:
PROBLEM TO BE SOLVED: To provide a power module which reduces its size by avoiding the use of bus bars.SOLUTION: A power module according to this invention has a collector terminal extending from a mold resin to the exterior and an emitter terminal extending from the mold resin to the exterior. At least one of the collector terminal and the emitter terminal includes: a first semiconductor device which extends from opposing two surfaces of the mold resin to the exterior and serves as a both side extending terminal; and a second semiconductor device having the same structure as the first semiconductor device. The both side extending terminal of the first semiconductor device and the both side extending terminal of the second semiconductor device are connected with each other.
Abstract:
A process for fabricating a reconstituted wafer that includes chips having connection pads on a front side of the chip, this process including positioning of the chips on an adhesive support, front side down on the support; deposition of a resin on the support in order to encapsulate the chips; and curing of the resin. Before deposition of the resin, the process includes bonding, onto the chips, a support wafer for positioning the chips, this support wafer having parts placed on one side of the chips.
Abstract:
PROBLEM TO BE SOLVED: To achieve a package that is capable of stacking a plurality of stacked chip packages and electrically connecting one another in a simple structure and includes the desired number of semiconductor chips at a low cost.SOLUTION: A stacked chip package 1S comprises: a body 2; and a wiring layer 3 including a plurality of wires W disposed on the side surfaces of the body 2. The body 2 has a main portion 2M including two layer portions 10S1 and 10S2, and a plurality of first and second terminals 4 and 5 that are disposed on the top surface and the bottom surface of the main portion 2M and are connected to the plurality of wires W. The first and second terminals 4 and 5 are constituted using electrodes of the layer portions 10S1 and 10S2. The stacked chip package 1S is manufactured such that a stacked substructure is manufactured by stacking two substructures including a plurality of arranged auxiliary layer portions, and then the stacked substructure is cut. The stacked substructure is disposed between two adjacent bodies before separation and includes a plurality of auxiliary wires to be a plurality of wires later.