Wafer process body, wafer processing member, wafer processing temporary adhesive material, and method for manufacturing thin wafer

US8999817B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8999817-B2
Application numberUS-201313770513-A
CountryUS
Kind codeB2
Filing dateFeb 19, 2013
Priority dateFeb 28, 2012
Publication dateApr 7, 2015
Grant dateApr 7, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

Disclosed is a wafer process body, a temporary adhesive layer is formed on a supporting body, and a wafer having a circuit-formed front surface and a to-be-processed back surface is stacked on the temporary adhesive layer, wherein the temporary adhesive layer is provided with a first temporary adhesive layer including a non-aromatic saturated hydrocarbon group-containing organopolysiloxane layer (A) which is adhered to the front surface of the wafer so as to be detachable and a second temporary adhesive layer comprised of a thermosetting-modified siloxane polymer layer (B) which is stacked on the first temporary adhesive layer and adhered to the supporting body so as to be detachable. Thus, temporary adhesion of a wafer with a supporting body may become easy, process conformity with the TSV formation process and with the wafer-back surface-wiring process may become high, and removal may be done easily, with high productivity.

First claim

Opening claim text (preview).

What is claimed is: 1. A wafer process body, wherein, in the wafer process body, a temporary adhesive layer is formed on a supporting body, and a wafer having a circuit-formed front surface and a to-be-processed back surface is stacked on the temporary adhesive layer, wherein the temporary adhesive layer comprises: a first temporary adhesive layer composed of a non-aromatic saturated hydrocarbon group-containing organopolysiloxane layer (A) which is adhered to the front surface of…

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What does patent US8999817B2 cover?
Disclosed is a wafer process body, a temporary adhesive layer is formed on a supporting body, and a wafer having a circuit-formed front surface and a to-be-processed back surface is stacked on the temporary adhesive layer, wherein the temporary adhesive layer is provided with a first temporary adhesive layer including a non-aromatic saturated hydrocarbon group-containing organopolysiloxane laye…
Who is the assignee on this patent?
Shinetsu Chemical Co
What technology area does this patent fall under?
Primary CPC classification C09J7/00. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).