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:
Jun. 19, 2001
Filed:
Jan. 12, 2000
Applicant:
Inventors:
Satoshi Kuwazaki, Kanagawa, JP;
Kazushi Iwata, Kanagawa, JP;
Yoshihiro Yoshida, Kanagawa, JP;
Tsutomu Sakatsu, Tokyo, JP;
Toshiaki Iwafuchi, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 3/100 ; B23K 3/538 ;
U.S. Cl.
CPC ...
B23K 3/100 ; B23K 3/538 ;
Abstract
A device for arranging conductive particles in a preselected pattern for the connection of electric circuit boards or electric parts is disclosed. Particularly, a device capable of surely and efficiently transferring, e.g., solder bumps to the electrode pads of a semiconductor chip or the leads of a TAB (Tape Automated Bonding) tape and a conductive particle transferring method using the same are disclosed.