Body for keeping a wafer, heater unit and wafer prober

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07495460

ABSTRACT:
A wafer holding body used for a wafer prober for testing a semiconductor wafer includes a chuck top having a conductive layer on a surface thereof and a support body supporting the chuck top. The support body has a base portion opposing the chuck top and a side portion extending from the perimeter of the base portion to the chuck top to support the chuck top. A cavity portion is formed between the chuck top and the base portion of the support body. A reflection plate is provided in the cavity portion. A heater unit and a wafer prober includes the wafer holding body.

REFERENCES:
patent: 1555268 (1925-09-01), Colby
patent: 5793019 (1998-08-01), Boyle et al.
patent: 6549026 (2003-04-01), DiBattista et al.
patent: 6740853 (2004-05-01), Johnson et al.
patent: 6761796 (2004-07-01), Srivastava et al.
patent: 2006/0098379 (2006-05-01), Otaka et al.
patent: 7-169824 (1995-07-01), None
patent: 9-63973 (1997-03-01), None
patent: 9-119868 (1997-05-01), None
patent: 2001-33484 (2001-02-01), None
patent: 2004-140347 (2004-05-01), None
Japanese Office Action, with English translation, issued in Japanese Patent Application No. JP 2005-227333, mailed Jul. 1, 2008.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Body for keeping a wafer, heater unit and wafer prober does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Body for keeping a wafer, heater unit and wafer prober, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Body for keeping a wafer, heater unit and wafer prober will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4095590

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.