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.

Date of Patent:
Aug. 19, 2008

Filed:

Aug. 29, 2003
Applicants:

Fujio Ito, Hanno, JP;

Hiromichi Suzuki, Machida, JP;

Toshio Sasaki, Mizuho, JP;

Inventors:

Fujio Ito, Hanno, JP;

Hiromichi Suzuki, Machida, JP;

Toshio Sasaki, Mizuho, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/82 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plurality of inner leads, a plurality of outer leads formed in one with each of the inner lead, a bar lead of the square ring shape arranged inside a plurality of inner leads, a corner part lead which has been arranged between the inner leads of the end portion of the inner lead groups which adjoin among four inner lead groups corresponding to each side of the bar lead, and was connected with the bar lead, and a tape member joined to the tip part of each inner lead, a bar lead, and a corner part lead are included. Since the corner part lead is formed as an object for reinforcement of a frame body between adjoining inner lead groups, the rigidity of the lead frame can be increased.


Find Patent Forward Citations

Loading…