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US 4,732,642 AGranted
Apparatus for peeling protective film off a thin article
AssigneeNitto Electric Industrial Co., Ltd.
InventorMinoru Ametani
Life of this patent
Estimating the term…
Abstract
Apparatus for peeling a protective film off a thin article such as a silicon wafer is disclosed. The film is peeled by sticking an adhesive tape to the protective film on the article and pulling it away from the article. The protective film is peeled by the apparatus only by the adhesive force of the adhesive tape.
Claims4
An apparatus for peeling and removing a protective adhesive film having an adhesive force stuck to one side of a thin article such as a silicon wafer, comprising:
- pressing/feeding means for feeding the thin article having the protective adhesive film adhered to one side thereof while pressing an adhesive tape having an adhesive force against said protective adhesive film on the article to stick it thereon;
- holding means for holding in position the article having said protective adhesive film to which said adhesive tape has been adhered;
- and
- peeling means adapted to be movable in a direction substantially parallel to the thin article held in position for peeling said adhesive tape off the article to peel said protective adhesive film off the article by the adhesive force of said adhesive tape acting on said protective adhesive film, the adhesive force of said adhesive tape being larger than the adhesive force of said protective adhesive film.
1 more element
Dependencies are inferred from the claim text.