Patent ID: 9293383
Filing Date: 2016-03-22
CPC Classification: H01L

Claim Text:
1. A method of manufacturing semiconductor devices, comprising the steps of: (a) providing a base material having a first surface, a plurality of device regions formed in the first surface, a plurality of semiconductor chips mounted in the plurality of device regions, respectively, a frame region provided in the first surface and outside the plurality of device regions, a marking region provided in part of the frame region, and first identification information affixed to the marking region, wherein the first surface has a first side and a second side opposed to the first side; wherein the frame region has a first region located between the device regions and the first side and a second region other than the first region; and wherein the marking region is provided in the second region; (b) after the step (a), sealing the plurality of semiconductor chips with resin and forming a sealing body by clamping the base material using a first metal mold and a second metal mold such that the plurality of semiconductor chips are located inside a cavity provided in the first metal mold and supplying resin into the cavity from the side of the first side of the base material; (c) after the step (b), reading the first identification information; and (d) after the step (b), newly affixing a second identification information to the sealing body, wherein, before the step (b), a dam part of the frame region is formed between the marking region and the plurality of device regions.