US Patent No: 4,184,292

Number of patents in Portfolio can not be more than 2000

Vacuum chuck

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Importance

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Abstract

A vacuum chuck for use in lens grinding having a vertical bore extending downwardly into the block to join a through horizontal bore provided with a venturi, so that by blowing air through the venturi a vacuum is created in the vertical bore to secure the lens placed on top of the block.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COBURN OPTICAL INDUSTRIES, INC.TULSA, OK60
COBURN TECHNOLOGIES, INC.S WINDSOR, CT65
REVLON CONSUMER PRODUCTS CORPORATIONNEW YORK, NY432

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DeFazio, August 33 Forman La., Englishtown, NJ 07726 5 112
Kamen, Melvin E Highlands, NJ 39 467

Cited Art

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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
TEXAS INSTRUMENTS INCORPORATED (2)
5,445,559 Wafer-like processing after sawing DMDs 67 1993
5,605,489 Method of protecting micromechanical devices during wafer separation 64 1995
 
APPLIED MATERIALS, INC. (1)
6,736,408 Rotary vacuum-chuck with venturi formed at base of rotating shaft 13 2002
 
Bay View Industries, Inc. (1)
6,439,559 Vacuum control device for holding a workpiece 10 2000
 
FREESCALE SEMICONDUCTOR, INC. (1)
4,653,231 Polishing system with underwater Bernoulli pickup 41 1985
 
FUJI MACHINE MFG. CO., LTD. (1)
6,655,671 Printed-wiring-board holding apparatus 8 2001
 
KLA-TENCOR TECHNOLOGIES CORPORATION (1)
7,396,022 System and method for optimizing wafer flatness at high rotational speeds 3 2004
 
MENICON CO., LTD. (1)
6,224,467 Method of producing ocular lens and holders for holding lens blank during cutting thereof 2 1998
 
MICRON TECHNOLOGY, INC. (1)
5,915,370 Saw for segmenting a semiconductor wafer 11 1997
 
OPHIR OPTRONICS LTD. (1)
6,460,437 Precision double-sided aspheric element 4 2001
 
OPHIR OPTRONICS SOLUTIONS LTD. (1)
6,622,599 Precision double-sided aspheric element 7 1999
 
Ophir Otronics Ltd. (1)
7,028,595 Precision double-sided aspheric element 3 2003
 
Swedcord Development AB (1)
8,376,334 Glue free vacuum sealing gasket structure 0 2011
 
The Boeing Company (1)
5,364,083 Universal holding fixture end effector 39 1993
 
Other [Check patent profile for assignment information] (2)
4,280,689 Head for high speed spinner having a vacuum chuck 7 1980
6,062,962 Bench for machining elongate objects such as strips of marble and the like 0 1999