Bolt and semiconductor manufacturing apparatus

Details Bolt and semiconductor manufacturing apparatus Bolt and semiconductor manufacturing apparatus

2007-03-15

2009-06-30

Vanore, David A (Department: 2881)

Radiant energy

Irradiation of objects or material

C250S492210, C411S395000

Reexamination Certificate

active

07554104

ABSTRACT:
A bolt includes a main body and a spring pin. The main body includes a head and a shaft. The spring pin includes a base portion and an end portion. The shaft includes a portion of external thread and a hollow portion. The head includes a top surface and a hole opened in the top surface. The hole is connected to the hollow portion. The base portion is arranged in the hollow potion to move along an axis of the main body. The end portion is arranged in the hole to move along the axis. The spring pin is energized toward a side of the head such that the end portion protrudes beyond the top surface. The end portion is electrically connected to the portion of external thread.

REFERENCES:
patent: 3159075 (1964-12-01), Bjork
patent: 7414355 (2008-08-01), Kanarov et al.
patent: 07-180053 (1995-07-01), None
patent: 7180053 (1995-07-01), None

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