The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 1999
Filed:
Mar. 02, 1993
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156362 ; 156542 ; 156556 ; 29739 ; 29742 ;
Abstract
Lead frames supplied from a first supply unit are intermittently conveyed in a non-oxidizing atmosphere. An adhesive is supplied from a second supply unit onto islands of the lead frames, and also semiconductor chips are supplied from a third supply unit onto the islands. When one of different kinds of semiconductor chips supplied from the third supply unit is selected, the selected semiconductor chip is held by a holder having a configuration adapted to the selected semiconductor chip. Therefore, transfer means for semiconductor chips includes at least two kinds of holders.