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Class Information
Number: 257/E21.119
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) > Deposition of semiconductor material on substrate, e.g., epitaxial growth, solid phase epitaxy (epo) > Characterized by the substrate (epo)
Description: This subclass is indented under subclass E21.09. This subclass is substantially the same in scope as ECLA classification H01L21/20B.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 257/E21.122 |
Bonding of semiconductor wafer to insulating substrate or to semic onducting substrate using an intermediate insulating layer (epo) |
430 |
| 257/E21.12 |
Characterized by the post-treatment used to control the interface betw een substrate and epitaxial layer, e.g., ion implantation followed by annealing (epo) |
69 |
| 257/E21.129 |
Group iva, e.g., si, c, ge on group ivb, e.g., ti, zr (epo) |
105 |
| 257/E21.121 |
Substrate is crystalline insulating material, e.g., sapphire (epo) |
200 |
| 257/E21.13 |
The substrate is crystalline conducting material, e.g., metallic silicide (epo) |
32 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7456079 |
EPI wafer and method of making the same |
Nov. 25, 2008 |
| 7223661 |
Method of manufacturing semiconductor device |
May. 29, 2007 |
| 7060597 |
Manufacturing method for a silicon substrate having strained layer |
Jun. 13, 2006 |
| 7057204 |
III-V group nitride system semiconductor substrate |
Jun. 6, 2006 |
| 7054532 |
Three-dimensional photonic crystal waveguide structure and method |
May. 30, 2006 |
| 7052979 |
Production method for semiconductor crystal and semiconductor luminous element |
May. 30, 2006 |
| 7045808 |
III-V nitride semiconductor substrate and its production lot, and III-V nitride semiconductor device and its production method |
May. 16, 2006 |
| 7042150 |
Light-emitting device, method of fabricating the device, and LED lamp using the device |
May. 9, 2006 |
| 7037789 |
Stabilization of dopant concentration in semiconductor device having epitaxially-filled trench |
May. 2, 2006 |
| 7033905 |
Recycling of a wafer comprising a buffer layer after having separated a thin layer therefrom by mechanical means |
Apr. 25, 2006 |
| 7033912 |
Silicon carbide on diamond substrates and related devices and methods |
Apr. 25, 2006 |
| 7033858 |
Method for making Group III nitride devices and devices produced thereby |
Apr. 25, 2006 |
| 7029977 |
Fabrication method of semiconductor wafer |
Apr. 18, 2006 |
| 7030003 |
Compound semiconductor device, production method thereof, light-emitting device and transistor |
Apr. 18, 2006 |
| 7018554 |
Method to reduce stacking fault nucleation sites and reduce forward voltage drift in bipolar devices |
Mar. 28, 2006 |
| 7018909 |
Forming structures that include a relaxed or pseudo-relaxed layer on a substrate |
Mar. 28, 2006 |
| 7009270 |
Substrate for stressed systems and method of making same |
Mar. 7, 2006 |
| 6994903 |
Hybrid substrate and method for fabricating the same |
Feb. 7, 2006 |
| 6994751 |
Nitride-based semiconductor element and method of forming nitride-based semiconductor |
Feb. 7, 2006 |
| 6979584 |
Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device |
Dec. 27, 2005 |
| 6967384 |
Structure and method for ultra-small grain size polysilicon |
Nov. 22, 2005 |
| 6967122 |
Group III nitride compound semiconductor and method for manufacturing the same |
Nov. 22, 2005 |
| 6964880 |
Methods for the control of flatness and electron mobility of diamond coated silicon and structures formed thereby |
Nov. 15, 2005 |
| 6958253 |
Process for deposition of semiconductor films |
Oct. 25, 2005 |
| 6946373 |
Relaxed, low-defect SGOI for strained Si CMOS applications |
Sep. 20, 2005 |
| 6936851 |
Semiconductor light-emitting device and method for manufacturing the same |
Aug. 30, 2005 |
| 6919261 |
Method and resulting structure for manufacturing semiconductor substrates |
Jul. 19, 2005 |
| 6909113 |
Three-dimensional photonic band structures in solid materials |
Jun. 21, 2005 |
| 6902989 |
Method for manufacturing gallium nitride (GaN) based single crystalline substrate that include separating from a growth substrate |
Jun. 7, 2005 |
| 6902616 |
Method and apparatus for producing semiconductor device |
Jun. 7, 2005 |
| 6900115 |
Deposition over mixed substrates |
May. 31, 2005 |
| 6897138 |
Method and apparatus for producing group III nitride compound semiconductor |
May. 24, 2005 |
| 6893891 |
Process for fabricating a semiconductor diffraction grating using a sacrificial layer |
May. 17, 2005 |
| 6885031 |
Integrated circuit including single crystal semiconductor layer on non-crystalline layer |
Apr. 26, 2005 |
| 6875629 |
III group nitride based semiconductor element and method for manufacture thereof |
Apr. 5, 2005 |
| 6872988 |
Semiconductor films on flexible iridium substrates |
Mar. 29, 2005 |
| 6867459 |
Isotopically pure silicon-on-insulator wafers and method of making same |
Mar. 15, 2005 |
| 6864158 |
Method of manufacturing nitride semiconductor substrate |
Mar. 8, 2005 |
| 6844572 |
Light emitting semiconductor device and method of fabricating the same |
Jan. 18, 2005 |
| 6841490 |
Semiconductor substrate, SOI substrate and manufacturing method therefor |
Jan. 11, 2005 |
| 6841274 |
GaN single-crystal substrate, nitride type semiconductor epitaxial substrate, nitride type semiconductor device, and methods of making the same |
Jan. 11, 2005 |
| 6835246 |
Nanostructures for hetero-expitaxial growth on silicon substrates |
Dec. 28, 2004 |
| 6821825 |
Process for deposition of semiconductor films |
Nov. 23, 2004 |
| 6821805 |
Semiconductor device, semiconductor substrate, and manufacture method |
Nov. 23, 2004 |
| 6815726 |
Semiconductor device and semiconductor substrate, and method of fabricating the same |
Nov. 9, 2004 |
| 6806109 |
Method of fabricating nitride based semiconductor substrate and method of fabricating nitride based semiconductor device |
Oct. 19, 2004 |
| 6806171 |
Method of producing a thin layer of crystalline material |
Oct. 19, 2004 |
| 6805982 |
Epitaxial substrates and semiconductor devices |
Oct. 19, 2004 |
| 6797416 |
GaN substrate formed under controlled growth condition over GaN layer having discretely formed pits |
Sep. 28, 2004 |
| 6797532 |
Semiconductor device and method for manufacturing the same |
Sep. 28, 2004 |
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