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:
Jul. 12, 2011
Filed:
Mar. 10, 2007
Riki Jindo, Hamura, JP;
Hideki Yoshino, Hamura, JP;
Mami Kushima, Hamura, JP;
Kaijo Corporation, Tokyo, JP;
Abstract
A work clamp and a wire bonding apparatus that can sufficiently restrain oxidation of a bonding area even while reducing an amount of antioxidant gas that is used are provided. The work clamp includes an interior hollow portionproviding an atmosphere of the antioxidant gas, a lower opening portionprovided below the interior hollow portion, for containing the bonding area in the interior hollow portion, an upper opening portionprovided above the interior hollow portion, for exposing the bonding area, a cavitycovering the interior hollow portion and having an area larger than an opening area of the upper opening portion, gas introduction ports,provided at the cavity, for introducing the antioxidant gas into the cavity, and holesconnected to below the cavity, for blowing the antioxidant gas introduced from the gas introduction port to a portion other than the bonding area of the work.