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Class Information
Number: 438/142
Name: Semiconductor device manufacturing: process > Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions
Description: Process for forming or altering a pair of device active regions (i.e., source or drain) separated by a gate structure intended to permit or block the flow of electrical current therebetween.

Sub-classes under this class:

Class Number Class Name Patents
438/144 Charge transfer device (e.g., ccd, etc.) 205
438/143 Gettering of semiconductor substrate 159
438/197 Having insulated gate (e.g., igfet, misfet, mosfet, etc.) 2,301
438/186 Having junction gate (e.g., jfet, sit, etc.) 165
438/167 Having schottky gate (e.g., mesfet, hemt, etc.) 375
438/149 On insulating substrate or layer (e.g., tft, etc.) 2,812

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8709881 Direct chemical vapor deposition of graphene on dielectric surfaces Apr. 29, 2014
8691636 Method for removing germanium suboxide Apr. 8, 2014
8685806 Silicon-on-insulator substrate with built-in substrate junction Apr. 1, 2014
8686412 Microelectronic device Apr. 1, 2014
8679902 Stacked nanowire field effect transistor Mar. 25, 2014
8673683 Graphene field effect transistor Mar. 18, 2014
8669135 System and method for fabricating a 3D image sensor structure Mar. 11, 2014
8664657 Electrical circuit with a nanostructure and method for producing a contact connection of a nanostructure Mar. 4, 2014
8652884 Semiconductor device structure and method for manufacturing the same Feb. 18, 2014
8648288 Pixels, imagers and related fabrication methods Feb. 11, 2014
8642402 Thin film transistor manufacturing method, thin film transistor, thin film transistor substrate and image display apparatus, image display apparatus and semiconductor device Feb. 4, 2014
8642403 Replacement contacts for all-around contacts Feb. 4, 2014
8642404 Thin film transistor liquid crystal display array substrate and manufacturing method thereof Feb. 4, 2014
8633484 Organic light emitting display and method of fabricating the same Jan. 21, 2014
8633055 Graphene field effect transistor Jan. 21, 2014
8623717 Side-gate defined tunable nanoconstriction in double-gated graphene multilayers Jan. 7, 2014
8624216 Planar electronic semiconductor device Jan. 7, 2014
8618609 Apparatus for improving multi-gate device performance Dec. 31, 2013
8617937 Forming narrow fins for finFET devices using asymmetrically spaced mandrels Dec. 31, 2013
8598664 Field effect transistor (FET) and method of forming the FET without damaging the wafer surface Dec. 3, 2013
8590136 Method of fabricating a dual single-crystal backplate microphone Nov. 26, 2013
8580622 Method of making integrated circuit embedded with non-volatile programmable memory having variable coupling Nov. 12, 2013
8569764 Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same Oct. 29, 2013
8569118 Thin film transistor liquid crystal display array substrate and manufacturing method thereof Oct. 29, 2013
8563966 Nano metal particles based tunneling field effect transistor and nano-switch Oct. 22, 2013
8557647 Method for fabricating field effect transistor devices with high-aspect ratio mask Oct. 15, 2013
8551821 Enhancement normally off nitride semiconductor device manufacturing the same Oct. 8, 2013
8551830 Semiconductor integrated circuit switch matrix Oct. 8, 2013
8535993 Semiconductor device and method using a sacrificial layer Sep. 17, 2013
8530290 Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same Sep. 10, 2013
8518756 Method for crystallizing thin film, method for manufacturing thin film semiconductor device, method for manufacturing electronic apparatus, and method for manufacturing display device Aug. 27, 2013
8519408 Method of fabricating a thin film transistor substrate and a photosensitive composition used in the thin film transistor substrate Aug. 27, 2013
8513125 Manufacturing a microelectronic device comprising silicon and germanium nanowires integrated on a same substrate Aug. 20, 2013
8507329 Compound semiconductor device and method of manufacturing the same Aug. 13, 2013
8508001 Semiconductor device with work function adjusting layer having varied thickness in a gate width direction and methods of making same Aug. 13, 2013
8501550 Method of fabricating gate and method of manufacturing semiconductor device using the same Aug. 6, 2013
8497168 Structure and method to enhance both NFET and PFET performance using different kinds of stressed layers Jul. 30, 2013
8492219 Semiconductor device manufacturing method Jul. 23, 2013
8492206 Semiconductor device structure and method for manufacturing the same Jul. 23, 2013
8486769 Method for forming metrology structures from fins in integrated circuitry Jul. 16, 2013
8486770 Method of forming CMOS FinFET device Jul. 16, 2013
8486788 Semiconductor device and method for fabricating the same Jul. 16, 2013
8480926 Liquid-crystalline compound and organic semiconductor device containing the compound Jul. 9, 2013
8481372 JFET device structures and methods for fabricating the same Jul. 9, 2013
8471302 Neutralization capacitance implementation Jun. 25, 2013
8470675 Thick gate oxide for LDMOS and DEMOS Jun. 25, 2013
8466014 Manufacturing method of semiconductor device Jun. 18, 2013
8466030 Semiconductor device and fabricating method thereof Jun. 18, 2013
8466467 Organic light-emitting display apparatus and method of manufacturing the same Jun. 18, 2013
8460977 Mesa termination structures for power semiconductor devices and methods of forming power semiconductor devices with mesa termination structures Jun. 11, 2013

1 2 3 4 5 6 7 8 9 10

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