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Inventor:
Hao; Pinghai
Address:
Plano, TX
No. of patents:
15
Patents:




Patent Number Title Of Patent Date Issued
7598547 Low noise vertical variable gate control voltage JFET device in a BiCMOS process and methods to October 6, 2009
We disclose the structure of a JFET device, the method of making the device and the operation of the device. The device is built near the top of a substrate. It has a buried layer that is electrically communicable to a drain terminal. It has a channel region over the buried layer con
7307309 EEPROM with etched tunneling window December 11, 2007
A method forming a current path in a substrate (322) having a first conductivity type is disclosed. The method includes forming an impurity region (314) having a second conductivity type and extending from a face of the substrate to a first depth. A hole (305) is formed in the impurity
7268394 JFET structure for integrated circuit and fabrication method September 11, 2007
Junction field effect transistors (JFETs) can be fabricated with an epitaxial layer that forms a sufficiently thick channel region to enable the JFET for use in high voltage applications (e.g., having a breakdown voltage greater than about 20V). Additionally or alternatively, threshold
7244651 Fabrication of an OTP-EPROM having reduced leakage current July 17, 2007
The leakage current of an OTP-EPROM cell formed using buried channel PMOS technology can be reduced. The reduction in leakage current of the OTP-EPROM can be achieved by blocking implantation of the V.sub.tp implant into a channel region of an n-well that substantially underlies a fl
7235451 Drain extended MOS devices with self-aligned floating region and fabrication methods therefor June 26, 2007
Semiconductor devices and manufacturing methods therefor are disclosed, in which a drain-extended MOS transistor comprises a self-aligned floating region proximate one end of the transistor gate and doped with a first type dopant to reduce channel hot carrier degradation, as well as an
7208364 Methods of fabricating high voltage devices April 24, 2007
Methods of fabrication and devices include field plates formed during capacitor formation. Isolation structures are formed in a semiconductor substrate. Well regions are formed in the semiconductor substrate. Drain extension regions are formed in the well regions. A gate dielectric layer
7164160 Integrated circuit device with a vertical JFET January 16, 2007
We disclose the structure of a JFET device, the method of making the device and the operation of the device. The device is built near the top of a substrate. It has a buried layer that is electrically communicable to a drain terminal. It has a channel region over the buried layer con
7135373 Reduction of channel hot carrier effects in transistor devices November 14, 2006
A transistor can be fabricated to exhibit reduced channel hot carrier effects. According to one aspect of the present invention, a method for fabricating a transistor structure includes implanting a first dopant into a lightly doped drain (LDD) region to form a shallow region therein.
7122862 Reduction of channel hot carrier effects in transistor devices October 17, 2006
A transistor can be fabricated to exhibit reduced channel hot carrier effects. According to one aspect of the present invention, a method for fabricating a transistor structure includes implanting a first dopant into a lightly doped drain (LDD) region to form a shallow region therein.
7045418 Semiconductor device including a dielectric layer having a gettering material located therein an May 16, 2006
The present invention provides a semiconductor device (200), a method of manufacture therefor and an integrated circuit including the same. In one embodiment of the invention, the semiconductor device (200) includes a floating gate (230) located over a semiconductor substrate (210), wher
7018880 Method for manufacturing a MOS transistor having reduced 1/f noise March 28, 2006
The present invention provides, in one embodiment, a method of reducing 1/f noise in a metal oxide semiconductor (MOS) device (100). The method comprises forming an oxide layer (110) on a silicon substrate (105) and depositing a polysilicon layer (115) on the oxide layer (110). The metho
7005354 Depletion drain-extended MOS transistors and methods for making the same February 28, 2006
Depletion drain-extended MOS transistor devices and fabrication methods for making the same are provided, in which a compensated channel region is provided with p and n type dopants to facilitate depletion operation at Vgs=0, and an adjust region is implanted in the substrate proximate
6885054 Threshold voltage stabilizer, method of manufacturing and integrated circuit employing the same April 26, 2005
The present invention provides a threshold voltage stabilizer for use with a MOS transistor having a body effect associated therewith. In one embodiment, the threshold voltage stabilizer, includes a body well located in a substrate, a source located in the body well, and a stabilization
6861303 JFET structure for integrated circuit and fabrication method March 1, 2005
Junction field effect transistors (JFETs) can be fabricated with an epitaxial layer that forms a sufficiently thick channel region to enable the JFET for use in high voltage applications (e.g., having a breakdown voltage greater than about 20V). Additionally or alternatively, threshold
6794700 Capacitor having a dielectric layer including a group 17 element September 21, 2004
The present invention provides a capacitor 300, a method of manufacture therefor and an integrated circuit including the same. In one embodiment of the invention, the capacitor 300 includes a first conductive plate 320 located over a semiconductor substrate 310, wherein the first conduct


 
 
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