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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.:

US 9362251 B1

PDFFull Text
Date of Patent:
Jun. 07, 2016

Filed:

Apr. 03, 2015

Antioxidant gas blow-off unit

Applicant:

Shinkawa Ltd., Tokyo, JP;

Inventors:

Mitsuaki Sakakura, Tokyo, JP;

Toru Maeda, Tokyo, JP;

Assignee:

SHINKAWA LTD., Tokyo, JP;

Attorney:

Katten Muchin Rosenman LLP

Primary Examiner:

Kiley Stoner

Int. Cl.
CPC ...
B23K 37/00 (2006.01); H01L 23/00 (2006.01); B23K 20/00 (2006.01); B23K 3/08 (2006.01);
U.S. Cl.
CPC ...
H01L 24/742 (2013.01); B23K 3/082 (2013.01); B23K 20/007 (2013.01); H01L 24/78 (2013.01); H01L 24/85 (2013.01); H01L 24/45 (2013.01); H01L 2224/45144 (2013.01); H01L 2224/45147 (2013.01); H01L 2224/781 (2013.01); H01L 2224/78253 (2013.01); H01L 2224/78268 (2013.01); H01L 2224/78269 (2013.01); H01L 2224/78301 (2013.01); H01L 2224/852 (2013.01); H01L 2224/85045 (2013.01); H01L 2224/85054 (2013.01); H01L 2224/85205 (2013.01); H01L 2924/01029 (2013.01); H01L 2924/181 (2013.01); H01L 2924/365 (2013.01);
Abstract

An antioxidant gas blow-off unit includes: a base portion configured as a hollow plate having an antioxidant gas flow passage formed therein; a hole that is provided in the base portion to allow a capillary to be inserted therein or removed therefrom and that communicates with the antioxidant gas flow passage; and a heater mounted on an outer surface of the base portion. The antioxidant gas flow passage includes a first flow passage provided in the vicinity of the outer surface of the base portion on which the heater is mounted. This antioxidant gas blow-off unit to be installed in a wire bonding apparatus heats free air balls effectively with a compact structure.

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