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Class Information
Number: 438/248
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 > Having insulated gate (e.g., igfet, misfet, mosfet, etc.) > Including passive device (e.g., resistor, capacitor, etc.) > Capacitor > Trench capacitor > Including doping of trench surfaces > Including isolation means formed in trench
Description: Process including forming a structure functioning as electrical isolation means at the groove bottom.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7608878 Semiconductor device manufactured with a double shallow trench isolation process Oct. 27, 2009
7605034 Integrated circuit memory cells and methods of forming Oct. 20, 2009
7592218 Methods of forming vertical transistors Sep. 22, 2009
7557415 Trench isolation type semiconductor device and related method of manufacture Jul. 7, 2009
7553723 Manufacturing method of a memory device Jun. 30, 2009
7514317 Strained semiconductor device and method of making same Apr. 7, 2009
7498217 Methods of manufacturing semiconductor memory devices with unit cells having charge trapping layers Mar. 3, 2009
7491604 Trench memory with monolithic conducting material and methods for forming same Feb. 17, 2009
7488642 Process for forming a buried plate Feb. 10, 2009
7473596 Methods of forming memory cells Jan. 6, 2009
7445986 Memory cells with vertical transistor and capacitor and fabrication methods thereof Nov. 4, 2008
7429509 Method for forming a semiconductor device Sep. 30, 2008
7429512 Method for fabricating flash memory device Sep. 30, 2008
7425486 Method for forming a trench capacitor Sep. 16, 2008
7416937 Semiconductor device and method for fabricating the same Aug. 26, 2008
7407852 Trench capacitor of a DRAM and fabricating method thereof Aug. 5, 2008
7393750 Method for manufacturing a semiconductor device Jul. 1, 2008
7390717 Trench power MOSFET fabrication using inside/outside spacers Jun. 24, 2008
7364962 Shallow trench isolation process utilizing differential liners Apr. 29, 2008
7361546 Method of forming conductive stud on vertical memory device Apr. 22, 2008
7354812 Multiple-depth STI trenches in integrated circuit fabrication Apr. 8, 2008
7351634 Trench-capacitor DRAM device and manufacture method thereof Apr. 1, 2008
7348235 Semiconductor device and method of manufacturing the same Mar. 25, 2008
7344953 Process for vertically patterning substrates in semiconductor process technology by means of inconformal deposition Mar. 18, 2008
7335554 Method for fabricating semiconductor Feb. 26, 2008
7332396 Semiconductor device with recessed trench and method of fabricating the same Feb. 19, 2008
7316951 Fabrication method for a trench capacitor having an insulation collar Jan. 8, 2008
7303953 Production of an integrated capacitor Dec. 4, 2007
7279393 Trench isolation structure and method of manufacture therefor Oct. 9, 2007
7279381 Method for fabricating cell transistor of flash memory Oct. 9, 2007
7262090 Random access memory (RAM) capacitor in shallow trench isolation with improved electrical isolation to overlying gate electrodes Aug. 28, 2007
7247534 Silicon device on Si:C-OI and SGOI and method of manufacture Jul. 24, 2007
7223651 Dram memory cell with a trench capacitor and method for production thereof May. 29, 2007
7208812 Semiconductor device having STI without divot and its manufacture Apr. 24, 2007
7205193 Semiconductor device and method for fabricating the same Apr. 17, 2007
7202125 Low-voltage, multiple thin-gate oxide and low-resistance gate electrode Apr. 10, 2007
7199006 Planarization method of manufacturing a superjunction device Apr. 3, 2007
7196396 Semiconductor device having STI without divot and its manufacture Mar. 27, 2007
7189619 Process for manufacturing vertically insulated structural components on SOI material of various thickness Mar. 13, 2007
7183156 Transistor structure, memory cell, DRAM, and method for fabricating a transistor structure in a semiconductor substrate Feb. 27, 2007
7163857 Buried strap contact for a storage capacitor and method for fabricating it Jan. 16, 2007
7157328 Selective etching to increase trench surface area Jan. 2, 2007
7153738 Method for making a trench memory cell Dec. 26, 2006
7153781 Method to etch poly Si gate stacks with raised STI structure Dec. 26, 2006
7141506 Method for evaluating dependence of properties of semiconductor substrate on plane orientation and semiconductor device using the same Nov. 28, 2006
7132325 Test structure and methodology for semiconductor stress-induced defects and antifuse based on same test structure Nov. 7, 2006
7122439 Method of fabricating a bottle trench and a bottle trench capacitor Oct. 17, 2006
7101755 Gate conductor isolation and method for manufacturing same Sep. 5, 2006
7102184 Image device and photodiode structure Sep. 5, 2006
7098100 Trench capacitor and method for preparing the same Aug. 29, 2006

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