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Class Information
Number: 257/E21.158
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Manufacture of electrode on semiconductor body using process other than by epitaxial growth, diffusion of impurities, alloying of impurity materials, or radiation bombardment (epo)
Description: This subclass is indented under subclass E21.085. This subclass is substantially the same in scope as ECLA classification H01L21/28.

Sub-classes under this class:

Class Number Class Name Patents
257/E21.21 Comprising charge trapping insulator (epo) 336
257/E21.208 Comprising layer having ferroelectric properties (epo) 176
257/E21.159 Deposition of conductive or insulating material for electrode conducting electric current (epo) 162
257/E21.209 Making electrode structure comprising conductor-insulator-conuctor-insulator-semiconductor, e.g., gate stack for non-volatile memory (epo) 1,329
257/E21.19 Making electrode structure comprising conductor-insulator-semiconductor, e.g., mis gate (epo) 232
257/E21.176 Manufacture or post-treatment of electrode having a capacitive structure, i.e., gate structure for field-effect device (epo) 48

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

Patent Number Title Of Patent Date Issued
8709933 Interposer having molded low CTE dielectric Apr. 29, 2014
8685758 Thermoelectric conversion module and method of restoring the same Apr. 1, 2014
8686562 Refractory metal nitride capped electrical contact and method for frabricating same Apr. 1, 2014
8680554 Epitaxial structure and method for making the same Mar. 25, 2014
8673757 Structure and method for using high-k material as an etch stop layer in dual stress layer process Mar. 18, 2014
8673774 Method for forming a via in a substrate Mar. 18, 2014
8669633 Packaged device with an image sensor aligned to a faceplate using fiducial marks and connection bodies registered thereto Mar. 11, 2014
8664061 Pulse method of oxidizing sidewall dielectrics for high capacitance applications Mar. 4, 2014
8652907 Integrating transistors with different poly-silicon heights on the same die Feb. 18, 2014
8648404 Nonvolatile semiconductor memory device, three-dimensional semiconductor device, and method of manufacturing the same Feb. 11, 2014
8648378 Nitride-based semiconductor device and method for fabricating the same Feb. 11, 2014
8647907 Nitride-based semiconductor device and method for fabricating the same Feb. 11, 2014
8642457 Method of fabricating semiconductor device Feb. 4, 2014
8637908 Borderless contacts in semiconductor devices Jan. 28, 2014
8633110 Titanium nitride films Jan. 21, 2014
8629052 Methods of forming semiconductor devices having narrow conductive line patterns Jan. 14, 2014
8618674 Semiconductor device including a sintered insulation material Dec. 31, 2013
8617912 Method for manufacturing semiconductor laser Dec. 31, 2013
8609524 Method for making semiconductor device comprising replacement gate electrode structures with an enhanced diffusion barrier Dec. 17, 2013
8610204 Semiconductor device Dec. 17, 2013
8598653 FinFET having cross-hair cells Dec. 3, 2013
8598035 Semiconductor dice with backside trenches filled with elastic material for improved attachment, packages using the same, and methods of making the same Dec. 3, 2013
8592308 Silicided device with shallow impurity regions at interface between silicide and stressed liner Nov. 26, 2013
8592954 Semiconductor element and method of manufacturing the semiconductor element Nov. 26, 2013
8564134 Semiconductor substrate, semiconductor device, and manufacturing methods thereof Oct. 22, 2013
8557685 Memory cell that includes a carbon-based memory element and methods of forming the same Oct. 15, 2013
8557662 Method for fabricating side contact in semiconductor device using double trench process Oct. 15, 2013
8546886 Controlling the device performance by forming a stressed backside dielectric layer Oct. 1, 2013
8541297 Manufacturing method of semiconductor device Sep. 24, 2013
8536043 Reduced S/D contact resistance of III-V MOSFET using low temperature metal-induced crystallization of n+ Ge Sep. 17, 2013
8536053 Method for restricting lateral encroachment of metal silicide into channel region Sep. 17, 2013
8537608 Data cells with drivers and methods of making and operating the same Sep. 17, 2013
8524528 Methods for forming resistive-switching metal oxides for nonvolatile memory elements Sep. 3, 2013
8524559 Manufacturing method of power transistor device Sep. 3, 2013
8513120 Gold-tin etch using combination of halogen plasma and wet etch Aug. 20, 2013
8513674 Semiconductor device and method of manufacturing the same Aug. 20, 2013
8513725 Nonvolatile semiconductor memory device and method of manufacturing the same Aug. 20, 2013
8507303 Thin film transistor array panel and method for manufacturing the same Aug. 13, 2013
8507948 Junctionless accumulation-mode devices on prominent architectures, and methods of making same Aug. 13, 2013
8509277 Optical device Aug. 13, 2013
8501574 Resistive memory device and manufacturing method thereof and operating method thereof Aug. 6, 2013
8502388 Semiconductor device and method for fabricating the same Aug. 6, 2013
8503228 Data cells with drivers and methods of making and operating the same Aug. 6, 2013
8497196 Semiconductor device, method for fabricating the same and apparatus for fabricating the same Jul. 30, 2013
8497153 Integrated back-sheet for back contact photovoltaic module Jul. 30, 2013
8492899 Method to electrodeposit nickel on silicon for forming controllable nickel silicide Jul. 23, 2013
8492272 Passivated through wafer vias in low-doped semiconductor substrates Jul. 23, 2013
8492858 Magnetic tunnel junction device and fabrication Jul. 23, 2013
8486821 Method and apparatus for variable conductance Jul. 16, 2013
8481376 Group III nitride semiconductor devices with silicon nitride layers and methods of manufacturing such devices Jul. 9, 2013

1 2 3 4 5 6 7 8 9

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