Patent ID: 7975899

Claim:
A wire bonding apparatus comprising: a stage; a work clamp; and a bonding tool, wherein said work clamp includes: an interior hollow portion; a lower opening portion provided below said interior hollow portion, for containing a bonding area of a work in said interior hollow portion; an upper opening portion provided above said interior hollow portion; a cavity covering and directly contacting said interior hollow portion, and having an area larger than an opening area of said upper opening portion; a gas introduction port provided at said cavity; and a plurality of holes disposed in said work clamp, each hole of the plurality of holes having a first end and a second end, for each hole, said first end being below and directly connected to said cavity, and said second end being directly connected to a space above the work mounted on said stage outside of said hollow interior portion, said plurality of holes for blowing antioxidant gas introduced from said gas introduction port to the work located outside of said interior hollow portion.