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:
Jan. 12, 2010
Filed:
Jul. 03, 2007
Shinichi Nishiura, Musashimurayama, JP;
Fumio Miyano, Musashimurayama, JP;
Masayuki Horino, Musashimurayama, JP;
Shinichi Nishiura, Musashimurayama, JP;
Fumio Miyano, Musashimurayama, JP;
Masayuki Horino, Musashimurayama, JP;
Kabushiki Kaisha Shinkawa, Tokyo, JP;
Abstract
A ball forming device and method used in a bonding apparatus, including a bonding arm, a capillary attached to the bonding arm, an electronic flame off probe for forming a ball at the tip of a wire passing through the capillary, and a gas atmosphere forming unit for bringing the vicinity of the tip end of the wire into a gas atmosphere. The gas atmosphere forming unit is made of an inner wall element and an outer wall element with a hollow space section in between. The bonding arm side of the inner wall element has an inside open space which is wider than the portion of the bonding arm where the capillary is attached, and gas ejection ports are formed in the inner wall element. A gas supply pipe is connected to the outer wall element to supply, for instance, a reducing gas into the hollow space section.