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:
Jan. 24, 2006
Filed:
Oct. 17, 2002
Applicants:
Ken Pham, San Jose, CA (US);
Luu Thanh Nquyen, San Jose, CA (US);
William Paul Mazotti, San Martin, CA (US);
Inventors:
Ken Pham, San Jose, CA (US);
Luu Thanh Nquyen, San Jose, CA (US);
William Paul Mazotti, San Martin, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/02 (2006.01); B29C 45/14 (2006.01); B29C 45/37 (2006.01);
U.S. Cl.
CPC ...
Abstract
Techniques for forming packaged semiconductor devices having top surfaces with flash-free electrical contact surfaces are described. According to one aspect, a molding cavity is provided which has a molding surface that is sufficiently smooth such that when placed in contact with an electrically conductive contact, gaps between the conductive contact and the mold cavity surface do not form.