EP1084285A1 - Perforated silicon membrane provided by an electrochemical etching method - Google Patents
Perforated silicon membrane provided by an electrochemical etching methodInfo
- Publication number
- EP1084285A1 EP1084285A1 EP99929077A EP99929077A EP1084285A1 EP 1084285 A1 EP1084285 A1 EP 1084285A1 EP 99929077 A EP99929077 A EP 99929077A EP 99929077 A EP99929077 A EP 99929077A EP 1084285 A1 EP1084285 A1 EP 1084285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- region
- main surface
- pores
- mask layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/12—Etching of semiconducting materials
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Weting (AREA)
- Micromachines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19820756A DE19820756C1 (en) | 1998-05-08 | 1998-05-08 | Perforated workpiece especially an optical or mechanical filter with micron or sub-micron size pores |
DE19820756 | 1998-05-08 | ||
PCT/DE1999/001292 WO1999058746A1 (en) | 1998-05-08 | 1999-05-03 | Perforated silicon membrane provided by an electrochemical etching method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1084285A1 true EP1084285A1 (en) | 2001-03-21 |
EP1084285B1 EP1084285B1 (en) | 2003-08-06 |
Family
ID=7867190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99929077A Expired - Lifetime EP1084285B1 (en) | 1998-05-08 | 1999-05-03 | Perforated silicon membrane provided by an electrochemical etching method |
Country Status (7)
Country | Link |
---|---|
US (1) | US6558770B1 (en) |
EP (1) | EP1084285B1 (en) |
JP (1) | JP2002514689A (en) |
KR (1) | KR20010052320A (en) |
DE (2) | DE19820756C1 (en) |
TW (1) | TW552322B (en) |
WO (1) | WO1999058746A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD2449G2 (en) * | 2003-03-14 | 2004-11-30 | Ион ТИГИНЯНУ | Process for obtaining ultrathin perforated membranes |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2392115A1 (en) * | 1999-11-17 | 2001-05-25 | Neah Power Systems, Inc. | Fuel cells having silicon substrates and/or sol-gel derived support structures |
US6720105B2 (en) * | 1999-11-17 | 2004-04-13 | Neah Power Systems, Inc. | Metallic blocking layers integrally associated with fuel cell electrode structures and fuel cell electrode stack assemblies |
US6924058B2 (en) * | 1999-11-17 | 2005-08-02 | Leroy J. Ohlsen | Hydrodynamic transport and flow channel passageways associated with fuel cell electrode structures and fuel cell electrode stack assemblies |
US6808840B2 (en) * | 1999-11-17 | 2004-10-26 | Neah Power Systems, Inc. | Silicon-based fuel cell electrode structures and fuel cell electrode stack assemblies |
DE10052007C1 (en) * | 2000-10-20 | 2002-03-07 | Infineon Technologies Ag | Semiconductor component has compensation zones extending vertically between opposite major surfaces of semiconductor body |
DE10122839B4 (en) * | 2001-05-11 | 2007-11-29 | Qimonda Ag | Process for separating semiconductor structures and semiconductor substrate prepared for singulation |
EP1258937A1 (en) * | 2001-05-17 | 2002-11-20 | STMicroelectronics S.r.l. | Micro silicon fuel cell, method of fabrication and self-powered semiconductor device integrating a micro fuel cell |
KR100451132B1 (en) * | 2001-11-08 | 2004-10-02 | 홍석인 | Process for producing an electrode coated with immobilized enzyme using a porous silicone |
US7157177B2 (en) * | 2002-01-03 | 2007-01-02 | Neah Power Systems, Inc. | Porous fuel cell electrode structures having conformal electrically conductive layers thereon |
DE10217569A1 (en) * | 2002-04-19 | 2003-11-13 | Infineon Technologies Ag | Device based on partially oxidized porous silicon |
DE10362083B4 (en) * | 2003-04-25 | 2007-05-03 | Christian-Albrechts-Universität Zu Kiel | Process for the preparation of membranes with continuous pores |
DE10318995B4 (en) * | 2003-04-25 | 2006-04-20 | Christian-Albrechts-Universität Zu Kiel | Process for the production of continuous membranes |
US7081158B2 (en) * | 2003-11-21 | 2006-07-25 | Imaje S.A. | Ink composition for continuous deflected jet printing, especially on letters and postal articles |
DE102005010080B4 (en) * | 2005-03-03 | 2008-04-03 | Qimonda Ag | Method for producing a thin-film structure |
ITVA20050034A1 (en) * | 2005-05-13 | 2006-11-14 | St Microelectronics Srl | FUEL CELLS MADE IN A SINGLE MONOCRYSTALLINE SILICON LAYER AND MANUFACTURING PROCESS |
US7615161B2 (en) * | 2005-08-19 | 2009-11-10 | General Electric Company | Simplified way to manufacture a low cost cast type collimator assembly |
DE602005009965D1 (en) * | 2005-12-16 | 2008-11-06 | St Microelectronics Srl | Fuel cell integrally integrated on a monocrystalline silicon circuit and method of manufacture |
KR100731549B1 (en) * | 2006-07-21 | 2007-06-22 | 이노필터 주식회사 | Manufacturing method of a complex ceramic membrane and complex ceramic membrane that is made by it membrane |
JP4562801B2 (en) * | 2007-05-09 | 2010-10-13 | 株式会社カンタム14 | Silicon substrate processing method and processing apparatus |
TWI464108B (en) * | 2012-01-17 | 2014-12-11 | Nat Univ Kaohsiung | The preparation of porous silicon nanowires and the prepared porous silicon nanowires |
TWI500825B (en) * | 2013-05-02 | 2015-09-21 | Nat Univ Tsing Hua | Method for producing nano sheet array structure of v-vi group semiconductor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044222A (en) * | 1976-01-16 | 1977-08-23 | Western Electric Company, Inc. | Method of forming tapered apertures in thin films with an energy beam |
US4570173A (en) * | 1981-05-26 | 1986-02-11 | General Electric Company | High-aspect-ratio hollow diffused regions in a semiconductor body |
US5139624A (en) * | 1990-12-06 | 1992-08-18 | Sri International | Method for making porous semiconductor membranes |
DE4202454C1 (en) * | 1992-01-29 | 1993-07-29 | Siemens Ag, 8000 Muenchen, De | |
EP0630058A3 (en) * | 1993-05-19 | 1995-03-15 | Siemens Ag | Process for forming an arrangement of pyrodetectors by electrochemically etching a silicon substrate. |
DE4426507C2 (en) * | 1994-07-27 | 2001-04-26 | Inst Chemo Biosensorik | Sensors based on microstructures |
AU7374198A (en) * | 1997-05-08 | 1998-11-27 | Nanosystems, Inc. | Silicon etching process for making microchannel plates |
-
1998
- 1998-05-08 DE DE19820756A patent/DE19820756C1/en not_active Expired - Fee Related
-
1999
- 1999-04-21 TW TW088106375A patent/TW552322B/en not_active IP Right Cessation
- 1999-05-03 KR KR1020007012422A patent/KR20010052320A/en active IP Right Grant
- 1999-05-03 EP EP99929077A patent/EP1084285B1/en not_active Expired - Lifetime
- 1999-05-03 WO PCT/DE1999/001292 patent/WO1999058746A1/en active IP Right Grant
- 1999-05-03 DE DE59906526T patent/DE59906526D1/en not_active Expired - Lifetime
- 1999-05-03 JP JP2000548533A patent/JP2002514689A/en not_active Withdrawn
-
2000
- 2000-11-08 US US09/708,277 patent/US6558770B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9958746A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD2449G2 (en) * | 2003-03-14 | 2004-11-30 | Ион ТИГИНЯНУ | Process for obtaining ultrathin perforated membranes |
Also Published As
Publication number | Publication date |
---|---|
EP1084285B1 (en) | 2003-08-06 |
DE19820756C1 (en) | 1999-11-11 |
KR20010052320A (en) | 2001-06-25 |
WO1999058746A1 (en) | 1999-11-18 |
JP2002514689A (en) | 2002-05-21 |
TW552322B (en) | 2003-09-11 |
US6558770B1 (en) | 2003-05-06 |
DE59906526D1 (en) | 2003-09-11 |
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