Semiconductor wafer, semiconductor chip, and manufacturing method of semiconductor device
First Claim
1. A method of manufacturing a semiconductor device, comprising:
- producing a first semiconductor wafer including first semiconductor chips;
producing a second semiconductor wafer including second semiconductor chips;
performing burn-in of the first and the second semiconductor wafer;
cutting the first and second semiconductor wafers to produce a batch of first semiconductor chips and a batch of second semiconductor chips, respectively, and assembling one of the first semiconductor chips and one of the second semiconductor chips to produce the semiconductor device, wherein assembling includes a process of forming a stacked arrangement of one or more of the first semiconductor chips and one or more of the second semiconductor chips on a substrate to produce the semiconductor device and providing prescribed electrical connections therebetween.
1 Assignment
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Accused Products
Abstract
By using a small number of needles and contact terminals at burn-in, electric contact check is performed between each needle and each terminal provided in each semiconductor chip, and thereby the yield of assembled products can be improved. A packaging structure in which, for example, a volatile memory chip and a nonvolatile memory chip are formed is assembled in accordance with a production scheme in which burn-in of each memory chip is performed while still under the state of a semiconductor wafer, and by forming the packaged structure using the good volatile memory chip subjected to burn-in and likewise, also, the nonvolatile memory chip. At this burn-in, contact check is performed by bringing a needle, provided in a burn-in board, into contact with, for example, six test-only signal terminals of a test circuit formed on each semiconductor chip.
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Citations
6 Claims
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1. A method of manufacturing a semiconductor device, comprising:
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producing a first semiconductor wafer including first semiconductor chips;
producing a second semiconductor wafer including second semiconductor chips;
performing burn-in of the first and the second semiconductor wafer;
cutting the first and second semiconductor wafers to produce a batch of first semiconductor chips and a batch of second semiconductor chips, respectively, and assembling one of the first semiconductor chips and one of the second semiconductor chips to produce the semiconductor device, wherein assembling includes a process of forming a stacked arrangement of one or more of the first semiconductor chips and one or more of the second semiconductor chips on a substrate to produce the semiconductor device and providing prescribed electrical connections therebetween. - View Dependent Claims (2, 3)
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4. A method of manufacturing a semiconductor device, comprising:
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producing a first semiconductor wafer including first semiconductor chips;
producing a second semiconductor wafer including second semiconductor chips;
performing burn-in of the first and the second semiconductor wafer;
cutting the first and second semiconductor wafers to produce a batch of first semiconductor chips and a batch of second semiconductor chips, respectively, and assembling one of the first semiconductor chips and one of the second semiconductor chips to produce the semiconductor device, wherein assembling includes a process of forming a stacked arrangement of one or more of the first semiconductor chips and one or more of the second semiconductor chips on a substrate to produce the semiconductor device and providing prescribed electrical connections therebetween, and wherein the substrate is a wiring substrate. - View Dependent Claims (5)
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6. A method of manufacturing a semiconductor, comprising:
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producing a first semiconductor wafer including first semiconductor chips;
producing a second semiconductor wafer including second semiconductor chips;
performing burn-in of the first and the second semiconductor wafer;
cutting the first and second semiconductor wafers to produce a batch of first semiconductor chips and a batch of second semiconductor chips, respectively, and assembling one of the first semiconductor chips and one of the second semiconductor chips to produce the semiconductor device, wherein assembling includes a process of forming a stacked arrangement of one or more of the first semiconductor chips and one or more of the second semiconductor chips on a substrate to produce the semiconductor device and providing prescribed electrical connections therebetween, and wherein each of the first semiconductor chips includes a volatile memory and each of the second chips includes a nonvolatile memory.
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Specification