PROCESS FOR PRODUCING ADHESIVE SHEET HAVING ADHESIVE LAYER DIVIDED INTO INDIVIDUAL PIECES, PROCESS FOR PRODUCING WIRING SUBSTRATE USING ADHESIVE SHEET, PROCESS FOR PRODUCING SEMICONDUCTOR DEVICE, AND APPARATUS FOR PRODUCING ADHESIVE SHEET

摘要

Provided is a process for producing an adhesive sheet having a singulated adhesive layer (b) on a carrier film (a), comprising the following steps in the order mentioned: Step A: cutting an adhesive film having a carrier film (a), an adhesive layer (b), and a cover film (c) in the order mentioned locally only at the adhesive layer (b) and the cover film (c) by means of local half-cutting; Step B: peeling only the cover film (c) at unwanted parts of the adhesive film; Step C: applying adhesive tape to the side of the cover film (c) of the adhesive film; and Step D: peeling the adhesive layer (b) at unwanted parts and the cover film (c) at desired parts of the adhesive film together with the adhesive tape. Also provided are a process for producing an adhesive sheet comprising a singulated adhesive disposed at a specific position, and equipment for producing an adhesive sheet.