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:
Mar. 14, 1989
Filed:
Sep. 30, 1987
James A Kennon, Dennison, TX (US);
Shafidul Islam, Plano, TX (US);
Jeffrey L Popken, Cincinatti, OH (US);
Jerry B Medders, Van Alstyne, TX (US);
Susan S Fitzgerald, Fort Worth, TX (US);
Donald R Kelley, Sherman, TX (US);
Philip A Burr, Aguascalientes, MX;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A molding system and process is disclosed to interface with existing wire bonders using a single track design from the bonder through the molding process. During the molding operation, the bonded lead frame is transferred into the mold on a guide track system built into the mold chase. The mold closes and clamps the lead frame after which a compound charging system meters and injects a compound into the mold cavities. The mold is opened and the strip ejected and transferred out of the mold via internal guide tracks. A granular or pellet form of compound is use in the charging system.