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METHOD AND SYSTEM FOR DEBONDING TEMPORARILY ADHESIVE-BONDED CARRIER-WORKPIECE PAIR
METHOD AND SYSTEM FOR DEBONDING TEMPORARILY ADHESIVE-BONDED CARRIER-WORKPIECE PAIR
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机译:临时粘合的载体-工件对的去粘方法和系统
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摘要
In debonding a temporarily adhesive-bonded carrier-workpiece pair by a combination of chemical and mechanical methods, solvents or chemicals are used to remove the adhesives primarily through dissolution, and a thin wire, filament, or blade is used to exert a cutting or wedging action between the carrier and workpiece. The two methods are used together during the debonding process. In the carrier- workpiece pair, the workpiece can be a semiconductor wafer that has been thinned and processed. The carrier and the workpiece are temporarily bonded using an adhesive dissolvable in a selected chemical or solvent. The chemical and mechanical debonding (CMDB) method can be carried out in solvent immersion or in solvent spray to provide high throughput debonding. The dissolved adhesives can be recycled and later reused, thus lowering the cost of the whole bonding and debonding process.
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