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Class Information
Number: 257/618
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Physical configuration of semiconductor (e.g., mesa, bevel, groove, etc.)
Description: Subject matter wherein the device has a particular physical form, such as a mesa or bevel or groove.

Sub-classes under this class:

Class Number Class Name Patents
257/622 Groove 800
257/623 Mesa structure (e.g., including undercut or stepped mesa configuration or having constant slope taper) 542
257/621 With electrical contact in hole in semiconductor (e.g., lead extends through semiconductor body) 640
257/620 With peripheral feature due to separation of smaller semiconductor chip from larger wafer (e.g., scribe region, or means to prevent edge effects such as leakage current at peripheral chip separation area) 798
257/627 With specified crystal plane or axis 513
257/619 With thin active central semiconductor portion surrounded by thicker inactive shoulder (e.g., for mechanical support) 200

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8710630 Mechanisms for marking the orientation of a sawed die Apr. 29, 2014
8711875 Aggregating completion messages in a sideband interface Apr. 29, 2014
8710629 Apparatus and method for controlling semiconductor die warpage Apr. 29, 2014
8692281 Light emitting diode submount with high thermal conductivity for high power operation Apr. 8, 2014
8692319 Lateral trench MESFET Apr. 8, 2014
8685858 Formation of metal nanospheres and microspheres Apr. 1, 2014
8680653 Wafer and a method of dicing a wafer Mar. 25, 2014
8679952 Method of manufacturing silicon carbide epitaxial wafer Mar. 25, 2014
8680576 CMOS device and method of forming the same Mar. 25, 2014
8673707 Method for forming metal gate Mar. 18, 2014
8664747 Trenched substrate for crystal growth and wafer bonding Mar. 4, 2014
8652909 Methods of forming a nonvolatile memory cell and methods of forming an array of nonvolatile memory cells array of nonvolatile memory cells Feb. 18, 2014
8648428 Memory cell array with semiconductor selection device for multiple memory cells Feb. 11, 2014
8648455 Semiconductor device and method of manufacturing the same Feb. 11, 2014
8642447 Semiconductor wafer and manufacturing method of semiconductor device Feb. 4, 2014
8637967 Method for fabricating a semiconductor chip and semiconductor chip Jan. 28, 2014
8633570 Method for manufacturing SOI substrate and SOI substrate Jan. 21, 2014
8633542 SOI substrate and manufacturing method thereof Jan. 21, 2014
8624314 Semiconductor device and method for manufacturing semiconductor device Jan. 7, 2014
8624320 Process for forming fins for a FinFET device Jan. 7, 2014
8624357 Composite semiconductor substrates for thin-film device layer transfer Jan. 7, 2014
8604618 Structure and method for reducing vertical crack propagation Dec. 10, 2013
8598042 Device manufacturing and cleaning method Dec. 3, 2013
8598641 Sea-of-fins structure on a semiconductor substrate and method of fabrication Dec. 3, 2013
8592949 Method of texturing the surface of a silicon substrate, and textured silicon substrate for a solar cell Nov. 26, 2013
8586482 Film stack including metal hardmask layer for sidewall image transfer fin field effect transistor formation Nov. 19, 2013
8580692 Film stack including metal hardmask layer for sidewall image transfer fin field effect transistor formation Nov. 12, 2013
8575722 Semiconductor substrate having multilayer film and method to reuse the substrate by delaminating a porous layer Nov. 5, 2013
8575011 Method of fabricating a device with a concentration gradient and the corresponding device Nov. 5, 2013
8569868 Device having and method for forming fins with multiple widths Oct. 29, 2013
8558351 Alignment for backside illumination sensor Oct. 15, 2013
8546918 Semiconductor device Oct. 1, 2013
8541317 Deposition method for passivation of silicon wafers Sep. 24, 2013
8536027 Method for making a semi-conducting substrate located on an insulation layer Sep. 17, 2013
8536035 Silicon-on-insulator substrate and method of forming Sep. 17, 2013
8530997 Double seal ring Sep. 10, 2013
8530338 Structures of and methods for forming vertically aligned Si wire arrays Sep. 10, 2013
8519416 Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device Aug. 27, 2013
8519511 Substrate dividing method Aug. 27, 2013
8519512 Test line placement to improve die sawing quality Aug. 27, 2013
8513776 Semiconductor device and method capable of scribing chips with high yield Aug. 20, 2013
8507957 Integrated circuit layouts with power rails under bottom metal layer Aug. 13, 2013
8502351 Nonplanar device with thinned lower body portion and method of fabrication Aug. 6, 2013
8497552 Semiconductor devices with current shifting regions and related methods Jul. 30, 2013
8497568 Monitoring pattern, and pattern stitch monitoring method and wafer therewith Jul. 30, 2013
8492876 Geometry and design for conformal electronics Jul. 23, 2013
8492877 Semiconductor structure with smoothed surface and process for obtaining such a structure Jul. 23, 2013
8487428 Method and system for providing a reliable semiconductor assembly Jul. 16, 2013
8488918 Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment Jul. 16, 2013
8482137 Method of mounting semiconductor chips, semiconductor device obtained using the method, method of connecting semiconductor chips, three-dimensional structure in which wiring is provided on its Jul. 9, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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