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:
Dec. 31, 2002
Filed:
Nov. 19, 2001
Wen-Lo Shieh, Taipei, TW;
Ning Huang, Taipei, TW;
Hui-Pin Chen, Taipei, TW;
Hua-Wen Chiang, Taipei, TW;
Chung-Ming Chang, Taipei, TW;
Feng-Chang Tu, Taipei, TW;
Fu-Yu Huang, Taipei, TW;
Hsuan-Jui Chang, Taipei, TW;
Chia-Chieh Hu, Taipei, TW;
Wen-Long Leu, Taipei, TW;
Orient Semiconductor Electronics Limited, Kaohsiung, TW;
Abstract
A device for making metal bumps includes a hard conical tubular member having a vertical conical passage at an upper portion thereof, a bell shaped chamber at a lower portion thereof which is larger than the vertical conical passage in diameter, located under and communicated with the vertical conical passage, and a circular recess which is larger than the bell shaped chamber in diameter, located under and communicated with the bell shaped chamber, thereby forming a capillary tube with a surface.