Description
Class C25F : PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
Subclass 3/12: Electrolytic etching or polishing Etching of semiconducting materials
C25F 3/12
Sub-Class
Stats
- 100 US PATENTS IN FORCE
- 16 US APPLICATIONS PENDING
- 48 Total Patent Owners
- 442 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12249520 | Wet etch apparatus | Aug 28, 21 | Mar 11, 25 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 12171877 | Materials and methods for delivering compositions to selected tissues | Feb 07, 19 | Dec 24, 24 | The Regents of the University of California |
| 12054847 | Method and device for manufacturing structure | Jul 06, 20 | Aug 06, 24 | SUMITOMO CHEMICAL COMPANY, LIMITED |
| 12031227 | Three-dimensional semiconductor fabrication | Jul 10, 22 | Jul 09, 24 | NIELSON SCIENTIFIC, LLC |
| 11827997 | Stripping method and stripping device for silicon carbide single crystal wafers | Nov 15, 22 | Nov 28, 23 | ZJU-Hangzhou Global Scientific and Technological Innovation Center |
| 11767609 | Low-dislocation bulk GaN crystal and method of fabricating same | May 03, 21 | Sep 26, 23 | Sixpoint Materials, Inc. |
| 11753738 | Nanopore forming method and uses thereof | Jul 28, 22 | Sep 12, 23 | Ecole Polytechnique Federale De Lausanne (EPFL); Roche Sequencing Solutions, Inc.; |
| 11732377 | Methods for fabricating and etching porous silicon carbide structures | Sep 20, 21 | Aug 22, 23 | Elwha LLC |
| 11651954 | Method for porosifying a material and semiconductor structure | Sep 27, 17 | May 16, 23 | CAMBRIDGE ENTERPRISE LTD |
| 11549193 | Metal-coated porous polymeric stamp materials for electrochemical imprinting | Feb 11, 21 | Jan 10, 23 | Arizona Board of Regents on behalf of Arizona State University; The Regents of the University of Colorado a Body Corporate; |
| 11499959 | Nanopore-forming method, nanopore-forming device and biomolecule measurement device | Dec 09, 16 | Nov 15, 22 | HITACHI HIGH-TECH CORPORATION |
| 11421338 | Three-dimensional semiconductor fabrication | Mar 30, 18 | Aug 23, 22 | NIELSON SCIENTIFIC, LLC |
| 11414776 | Electrochemical processing device and method for operating electrochemical processing device | May 14, 19 | Aug 16, 22 | (6) INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 11401625 | Nanopore forming method and uses thereof | Feb 11, 21 | Aug 02, 22 | Ecole Polytechnique Federale De Lausanne (EPFL); Roche Sequencing Solutions, Inc.; |
| 11309534 | Electrodes and lithium ion cells with high capacity anode materials | May 21, 18 | Apr 19, 22 | Zenlabs Energy, Inc. |
| 11124889 | Methods for fabricating and etching porous silicon carbide structures | Jun 06, 19 | Sep 21, 21 | Elwha LLC |
| 11107707 | Wet etch apparatus and method of using the same | Jun 11, 19 | Aug 31, 21 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 11105014 | Distribution system for chemical and/or electrolytic surface treatment | Jul 24, 18 | Aug 31, 21 | Semsysco GmbH |
| 11101149 | Semiconductor fabrication with electrochemical apparatus | Jul 20, 20 | Aug 24, 21 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 10975490 | Apparatus and method for etching one side of a semiconductor substrate | Dec 08, 16 | Apr 13, 21 | NexWafe GmbH |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0066,947 | METHOD AND DEVICE FOR RECYCLING ACIDIC ETCHING WASTE SOLUTION THROUGH PROGRESSIVE ELECTROLYSIS | Nov 12, 24 | Feb 27, 25 | Not available |
| 2025/0054,754 | PRODUCTION METHOD FOR NITRIDE CRYSTAL SUBSTRATE, AND PEELED INTERMEDIATE | Aug 05, 24 | Feb 13, 25 | SUMITOMO CHEMICAL COMPANY, LIMITED |
| 2024/0395,572 | WET ETCH APPARATUS | Jul 31, 24 | Nov 28, 24 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 2024/0376,629 | WAFER RECEIVER, ELECTROCHEMICAL POROSIFICATION APPARATUS AND METHOD USING SAME | Sep 27, 22 | Nov 14, 24 | Not available |
| 2024/0011,068 | SILICON MEMBRANE WITH INFRARED TRANSMITTANCE AND PROCESS FOR MANUFACTURING | Jul 06, 23 | Jan 11, 24 | Commissariat A L' Energie Atomique Et Aux Energies Alternatives |
| 2024/0011,193 | SUBSTRATES FOR OPTOELECTRONIC DEVICES AND METHODS OF MANUFACTURING SAME | Aug 19, 21 | Jan 11, 24 | Not available |
| 2023/0374,693 | NANOPORE FORMING METHOD AND USES THEREOF | Aug 04, 23 | Nov 23, 23 | Not available |
| 2023/0053,780 | METHOD FOR FORMING DIAMOND PRODUCT | Mar 04, 21 | Feb 23, 23 | Element Six Technologies Limited; THE UNIVERSITY OF WARWICK; |
| 2021/0189,585 | NANOPORE FORMING METHOD AND USES THEREOF | Feb 11, 21 | Jun 24, 21 | Not available |
| 2020/0227,255 | METHOD FOR POROSIFYING A MATERIAL AND SEMICONDUCTOR STRUCTURE | Sep 27, 17 | Jul 16, 20 | Not available |
| 2020/0181,794 | ELECTROCHEMICAL PROCESSING DEVICE AND METHOD FOR OPERATING ELECTROCHEMICAL PROCESSING DEVICE | May 14, 19 | Jun 11, 20 | Not available |
| 2020/0032,413 | SEMICONDUCTOR STRUCTURE AND METHOD OF FORMING THE SAME | Oct 07, 19 | Jan 30, 20 | Not available |
| 2019/0323,143 | NANOPORE FORMING METHOD AND USES THEREOF | Jun 05, 19 | Oct 24, 19 | Not available |
| 2019/0214,302 | METHOD FOR ARRANGING A PLURALITY OF SEED SUBSTRATES ON A CARRIER ELEMENT AND CARRIER ELEMENT HAVING SEED SUBSTRATES | Aug 24, 17 | Jul 11, 19 | NexWafe GmbH |
| 2017/0121,842 | APPARATUS FOR ELECTROCHEMICAL ETCHING AND APPARATUS FOR ELECTROPLATING | Dec 22, 15 | May 04, 17 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 2016/0208,404 | Substrate Etch | Aug 30, 13 | Jul 21, 16 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 27 Months (last 2 years Issuances)
- 27 Months (last 5 years Issuances)