RU2012127765A - THREE-DIMENSIONAL STRUCTURED SEMICONDUCTOR SUBSTRATE FOR AUTO EMISSION CATHODE, METHOD OF ITS PRODUCTION AND AUTO EMISSION CATHODE - Google Patents
THREE-DIMENSIONAL STRUCTURED SEMICONDUCTOR SUBSTRATE FOR AUTO EMISSION CATHODE, METHOD OF ITS PRODUCTION AND AUTO EMISSION CATHODE Download PDFInfo
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- RU2012127765A RU2012127765A RU2012127765/07A RU2012127765A RU2012127765A RU 2012127765 A RU2012127765 A RU 2012127765A RU 2012127765/07 A RU2012127765/07 A RU 2012127765/07A RU 2012127765 A RU2012127765 A RU 2012127765A RU 2012127765 A RU2012127765 A RU 2012127765A
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- RU
- Russia
- Prior art keywords
- substrate
- electrolyte
- semiconductor substrate
- emission cathode
- etched
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/304—Field-emissive cathodes
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- Cold Cathode And The Manufacture (AREA)
- Weting (AREA)
Abstract
1. Способ получения трехмерно-структурированной полупроводниковой подложки для автоэмиссионного катода, отличающийся тем, подготавливают поверхность предварительной отмывкой подложки от загрязнений, химически или механически защищают участок поверхности, не подлежащий травлению, оставляя открытым участок, на котором необходимо осуществлять травление, подложку помещают в кювету с электролитом-травителем, и осуществляют фотоэлектрохимическое травление в пределах участка поверхности, предназначенного для дальнейшего осаждения автоэмиссионной углеродной пленки, причем фотоэлектрохимическое травление осуществляют в режимах, обеспечивающих формирование на поверхности подложки микроострийной квазирегулярной ячеисто-пичковой структуры, образованной совокупностью конусообразных колодцев с аспектным соотношением не менее 2.2. Способ по п.1, отличающийся тем, что фотоэлектрохимическое травление осуществляют электролитом с концентрацией HF от 0 до 23 М, CHOH от 0 до 16 М, НО от 0 до 55 М при температуре от 25 до 60°С в растворе HF-СНОН-НО при подсветке светом, направленным извне через подвергающуюся травлению полупроводниковую подложку, предпочтительно содержащим в спектре излучение на длинах волн в области вблизи границы пропускания материала полупроводниковой подложки так, чтобы фотогенерированные пары «электрон-дырка» достигали поверхности полупроводниковой пластины, находящейся в контакте с электролитом-травителем.3. Способ по п.1, отличающийся тем, что используют электролиты на водной основе, например, такие как HF:HO, HF:DMSO:HO, HF:CHOH:HO, HF:HNO, КОН:НО, или безводный электролит, например, ацетонитрил, диметилформамид, HF.1. A method of obtaining a three-dimensionally structured semiconductor substrate for a field emission cathode, characterized in that the surface is prepared by pre-washing the substrate from contaminants, chemically or mechanically protecting the surface area that is not to be etched, leaving the area to be etched open, the substrate is placed in a cuvette with electrolyte-etchant, and carry out photoelectrochemical etching within the surface area intended for further deposition of cars emission carbon film, and photoelectrochemical etching is carried out in modes that ensure the formation on the surface of the substrate of a micropoint quasiregular mesh-spike structure formed by a collection of cone-shaped wells with an aspect ratio of at least 2.2. The method according to claim 1, characterized in that the photoelectrochemical etching is carried out by an electrolyte with a concentration of HF from 0 to 23 M, CHOH from 0 to 16 M, BUT from 0 to 55 M at a temperature of from 25 to 60 ° C in a solution of HF-CHOH- BUT when illuminated with light directed from outside through an etched semiconductor substrate, preferably containing radiation at wavelengths in the region near the transmission boundary of the semiconductor substrate material so that the photo-generated electron-hole pairs reach the surface of the semiconductor wafer, n in contact with the etch electrolyte. 3. The method according to claim 1, characterized in that water-based electrolytes are used, for example, such as HF: HO, HF: DMSO: HO, HF: CHOH: HO, HF: HNO, KOH: HO, or an anhydrous electrolyte, for example acetonitrile, dimethylformamide, HF.
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012127765/07A RU2524353C2 (en) | 2012-07-04 | 2012-07-04 | Three-dimensionally structured semiconductor substrate for field-emission cathode, method for its obtaining, and field-emission cathode |
PCT/RU2013/000563 WO2014007680A2 (en) | 2012-07-04 | 2013-07-03 | Three-dimensionally structured semiconductor substrate for a field emission cathode, means for producing same, and field emission cathode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012127765/07A RU2524353C2 (en) | 2012-07-04 | 2012-07-04 | Three-dimensionally structured semiconductor substrate for field-emission cathode, method for its obtaining, and field-emission cathode |
Publications (2)
Publication Number | Publication Date |
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RU2012127765A true RU2012127765A (en) | 2014-01-10 |
RU2524353C2 RU2524353C2 (en) | 2014-07-27 |
Family
ID=49882560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2012127765/07A RU2524353C2 (en) | 2012-07-04 | 2012-07-04 | Three-dimensionally structured semiconductor substrate for field-emission cathode, method for its obtaining, and field-emission cathode |
Country Status (2)
Country | Link |
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RU (1) | RU2524353C2 (en) |
WO (1) | WO2014007680A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3669888A1 (en) | 2018-12-20 | 2020-06-24 | Gambro Lundia AB | Extracorporeal devices for methods for treating diseases associated with anti-neutrophil cytoplasmic antibodies |
KR20210136035A (en) | 2019-03-06 | 2021-11-16 | 감브로 룬디아 아베 | Blood processing device comprising alkaline phosphatase |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2074444C1 (en) * | 1994-07-26 | 1997-02-27 | Евгений Инвиевич Гиваргизов | Self-emitting cathode and device which uses it |
US5544772A (en) * | 1995-07-25 | 1996-08-13 | Galileo Electro-Optics Corporation | Fabrication of a microchannel plate from a perforated silicon |
RU2187860C2 (en) * | 1997-07-01 | 2002-08-20 | Галдецкий Анатолий Васильевич | Autoemission cathode and electron device built on its base ( variants ) |
RU2194328C2 (en) * | 1998-05-19 | 2002-12-10 | ООО "Высокие технологии" | Cold-emission film cathode and its production process |
EP1003196A1 (en) * | 1998-11-19 | 2000-05-24 | Nec Corporation | Carbon material, method for manufacturing the same material, field-emission type cold cathode using the same material and method for manufacturing the same cathode |
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2012
- 2012-07-04 RU RU2012127765/07A patent/RU2524353C2/en not_active IP Right Cessation
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2013
- 2013-07-03 WO PCT/RU2013/000563 patent/WO2014007680A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2014007680A2 (en) | 2014-01-09 |
RU2524353C2 (en) | 2014-07-27 |
WO2014007680A3 (en) | 2014-04-03 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20150705 |