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:
Oct. 12, 1993
Filed:
Jul. 25, 1991
Mitsugu Miyamoto, Chigasaki, JP;
Minoru Togashi, Chigasaki, JP;
Fumio Takahashi, Yokohama, JP;
Yutaka Fukuoka, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
According to this invention, there is disclosed a resin-seal apparatus for a semiconductor element, including cavity blocks arranged to be opposite to each other and having a semiconductor element to be molded, ejector plates arranged to correspond to the cavity blocks, respectively, ejector pins and support pins arranged between the ejector plates and the cavity blocks, a pair of first annular heat-plate molding die sets arranged to surround the ejector plates arranged to correspond to the cavity blocks, a second heat-plate molding die set arranged below a corresponding one of the ejector plates, a plate holder below the second heat-plate molding die set, a gap portion and an elastic member formed between the plate holder and the second heat-plate molding die set, vertically movable connecting rods arranged through the gap portion and each having one end connected to a side surface of the corresponding one of the ejector plates, a stepped bolt engaged with the other end of each of the connecting rods, and push-up rods for pushing up the stepped bolts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile