Sample preparation method and test method of layer-adding adhesive film for FCBGA packaging substrate
The invention discloses a layer-adding adhesive film sample preparation method and a test method for an FCBGA packaging substrate, and the sample preparation method comprises the following steps: providing at least two layer-adding adhesive films for the FCBGA packaging substrate, each layer-adding...
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creator | BAO HAILIAN SHAN XIAOJING ZHA XIAOGANG FU HAITAO GAO GUANZHENG FANG LANXIA CHEN ZHUHUA WANG JIANBIN |
description | The invention discloses a layer-adding adhesive film sample preparation method and a test method for an FCBGA packaging substrate, and the sample preparation method comprises the following steps: providing at least two layer-adding adhesive films for the FCBGA packaging substrate, each layer-adding adhesive film comprising a first film layer, a layer-adding adhesive film layer and a second film layer which are stacked in sequence; respectively tearing off the first film layer of each layer-adding adhesive film to expose the layer-adding adhesive film layer, oppositely superposing the sides, exposed with the layer-adding adhesive film layers, of the two layer-adding adhesive films, and placing the superposed layers on a substrate to complete sample pre-stacking; pressing the pre-stacked samples, and baking the pre-stacked samples; the baked sample is cut in a special-shaped staggered cutting mode; and stripping the second film layers on the two sides of the cut sample to obtain a sample to be detected. Therefo |
format | Patent |
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language | chi ; eng |
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subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PHYSICS POLISHES SEMICONDUCTOR DEVICES TESTING USE OF MATERIALS AS ADHESIVES |
title | Sample preparation method and test method of layer-adding adhesive film for FCBGA packaging substrate |
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