US Patent No: 6,084,277

Number of patents in Portfolio can not be more than 2000

Lateral power MOSFET with improved gate design

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Abstract

A lateral power metal-oxide-semiconductor field effect transistor (MOSFET) having a gate design in which the gate structure is coupled to the gate electrode through contacts at a plurality of locations. The gate electrode is disposed over the gate structure along the length of a MOSFET finger. In one embodiment, the gate electrode is coupled to the gate structure through contacts at the ends of the MOSFET finger such that there is a contact-free portion of the gate region between the contacts.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
POWER INTEGRATIONS, INC.SAN JOSE, CA576

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Disney, Donald R Cupertino, CA 78 775
Djenguerian, Alex B Saratoga, CA 175 1149

Cited Art

Patent Info (Count) # Cites Year
 
TEXAS INSTRUMENTS INCORPORATED (4)
4,725,747 Integrated circuit distributed geometry to reduce switching noise 44 1986
4,808,861 Integrated circuit to reduce switching noise 17 1986
5,304,827 Performance lateral double-diffused MOS transistor 52 1992
5,451,536 Power MOSFET transistor 3 1994
 
KABUSHIKI KAISHA TOSHIBA (2)
4,879,582 Field-effect transistor 5 1987
5,068,700 Lateral conductivity modulated MOSFET 44 1990
 
POWER INTEGRATIONS, INC. (2)
4,811,075 High voltage MOS transistors 104 1987
5,258,636 Narrow radius tips for high voltage semiconductor devices with interdigitated source and drain electrodes 76 1991
 
SGS-THOMSON MICROELECTRONICS S.R.L. (2)
5,430,316 VDMOS transistor with improved breakdown characteristics 41 1993
5,583,365 Fully depleted lateral transistor 10 1994
 
AVAGO TECHNOLOGIES GENERAL IP PTE. LTD. (1)
4,894,694 MOSFET structure and method for making same 20 1988
 
HARRIS CORPORATION (1)
4,462,041 High speed and current gain insulated gate field effect transistors 25 1981
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
5,874,764 Modular MOSFETS for high aspect ratio applications 13 1996
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
5,019,877 Field effect transistor 10 1990
 
MOTOROLA, INC. (1)
5,025,296 Center tapped FET 52 1990
 
NATIONAL SEMICONDUCTOR CORPORATION (1)
5,789,791 Multi-finger MOS transistor with reduced gate resistance 31 1996
 
NEC CORPORATION (1)
5,744,836 Insulating gate type field effect transistor 1 1997
 
NEC ELECTRONICS CORPORATION (1)
5,652,452 Semiconductor device with pluralities of gate electrodes 14 1996
 
SIEMENS AKTIENGESELLSCHAFT (1)
5,060,048 Semiconductor component having at least one power MOSFET 4 1990
 
SYMBIOS LOGIC INC. (1)
4,975,758 Gate isolated I.O cell architecture for diverse pad and drive configurations 14 1989
 
U.S. PHILIPS CORPORATION (1)
5,040,045 High voltage MOS transistor having shielded crossover path for a high voltage connection bus 44 1990
 
VLSI TECHNOLOGY, INC. (1)
5,146,306 Semiconductor FET structures with slew-rate control 9 1991
 
XEROX CORPORATION (1)
5,258,638 Thermal ink jet power MOS device design/layout 14 1992

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
POWER INTEGRATIONS, INC. (25)
6,825,536 Lateral power MOSFET for high switching speeds 25 2003
7,829,944 High-voltage vertical transistor with a multi-layered extended drain structure 6 2004
7,115,958 Lateral power MOSFET for high switching speeds 25 2004
7,253,042 Method of fabricating a high-voltage transistor with an extended drain structure 26 2004
7,221,011 High-voltage vertical transistor with a multi-gradient drain doping profile 22 2005
7,786,533 High-voltage vertical transistor with edge termination structure 7 2005
7,859,037 Checkerboarded high-voltage vertical transistor layout 6 2007
7,595,523 Gate pullback at ends of high-voltage vertical transistor structure 13 2007
7,557,406 Segmented pillar layout for a high-voltage vertical transistor 13 2007
7,468,536 Gate metal routing for transistor with checkerboarded layout 19 2007
7,745,291 Method of fabricating a high-voltage transistor with an extended drain structure 7 2007
7,875,962 Package for a power semiconductor device 7 2007
7,459,366 High-voltage vertical transistor with a multi-gradient drain doping profile 19 2007
7,648,879 High-voltage vertical transistor with a multi-gradient drain doping profile 9 2008
8,093,621 VTS insulated gate bipolar transistor 2 2008
7,998,817 Method of fabricating a high-voltage transistor with an extended drain structure 5 2009
8,207,455 Power semiconductor package with bottom surface protrusions 0 2009
8,115,457 Method and apparatus for implementing a power converter input terminal voltage discharge circuit 1 2009
8,222,691 Gate pullback at ends of high-voltage vertical transistor structure 0 2009
8,207,577 High-voltage transistor structure with reduced gate capacitance 0 2009
8,310,845 Power supply circuit with a control terminal for different functional modes of operation 0 2010
8,022,456 Checkerboarded high-voltage vertical transistor layout 2 2010
8,410,551 Checkerboarded high-voltage vertical transistor layout 0 2011
8,399,907 VTS insulated gate bipolar transistor 0 2011
8,247,287 Method of fabricating a deep trench insulated gate bipolar transistor 1 2011
 
NATIONAL SEMICONDUCTOR CORPORATION (2)
6,933,562 Power transistor structure with non-uniform metal widths 2 2003
7,192,857 Method of forming a semiconductor structure with non-uniform metal widths 1 2005
 
STMICROELECTRONICS S.R.L. (2)
6,933,563 High performance, integrated, MOS-type semiconductor device and related manufacturing process 0 2003
7,186,592 High performance, integrated, MOS-type semiconductor device and related manufacturing process 0 2005
 
ANADIGICS, INC. (1)
6,642,578 Linearity radio frequency switch with low control voltage 34 2002
 
STMICROELECTRONICS S.A. (1)
7,939,887 Active semiconductor component with a reduced surface area 0 2009
 
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION (1)
7,875,930 Semiconductor structure having an enlarged finger shaped region for reducing electric field density and method of manufacturing the same 0 2009
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
8,441,309 Temperature independent reference circuit 0 2012