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:
Nov. 18, 2003
Filed:
Jan. 25, 2002
Raymond M. Partosa, Baguio, PH;
Allan C. Soriano, Baguio, PH;
Enrique R. Ferrer, Jr., Baguio, PH;
Ramil A. Viluan, Baguio, PH;
Melvin B. Alviar, Baguio, PH;
Jose Franco A. Alicante, Baguio, PH;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A work station for a chip bonder, and/or for a wire bonder includes a clampless, porous ceramic vacuum chuck where the substrate under assembly is securely and uniformly held by vacuum applied through many tiny pores distributed across the work surface. Porous ceramic work stations are applicable to a family of packages, or to a substrate outline, and may include one or more chips within the same indexing operation. Reliability and yield of the assembled semiconductor devices is enhanced by avoiding uneven or warped substrates. In addition, the porous ceramic work holder provides a cost effective apparatus by eliminating device specific clamps and work holders, the time required for change-out and set-up.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile