ES409621A1 - Procedimiento para la corrosion alcalina de sistemas semi- conductores. - Google Patents
Procedimiento para la corrosion alcalina de sistemas semi- conductores.Info
- Publication number
- ES409621A1 ES409621A1 ES409621A ES409621A ES409621A1 ES 409621 A1 ES409621 A1 ES 409621A1 ES 409621 A ES409621 A ES 409621A ES 409621 A ES409621 A ES 409621A ES 409621 A1 ES409621 A1 ES 409621A1
- Authority
- ES
- Spain
- Prior art keywords
- alkaline etching
- semiconductor bodies
- semiconductor systems
- alkaline
- semiconductor
- 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.)
- Expired
Links
Classifications
-
- H10P90/126—
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
- C23F1/40—Alkaline compositions for etching other metallic material
-
- H10P50/642—
-
- H10P50/644—
-
- H10P50/646—
-
- H10P50/692—
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
- Thyristors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2214197A DE2214197C3 (de) | 1972-03-23 | 1972-03-23 | Verfahren zum Ätzen von PN-Übergänge enthaltenden Halbleiterscheiben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES409621A1 true ES409621A1 (es) | 1975-12-01 |
Family
ID=5839938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES409621A Expired ES409621A1 (es) | 1972-03-23 | 1972-12-14 | Procedimiento para la corrosion alcalina de sistemas semi- conductores. |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS525230B2 (index.php) |
| AT (1) | AT325678B (index.php) |
| BE (1) | BE797244A (index.php) |
| CH (1) | CH575175A5 (index.php) |
| DE (1) | DE2214197C3 (index.php) |
| ES (1) | ES409621A1 (index.php) |
| FR (1) | FR2176664B1 (index.php) |
| GB (1) | GB1362507A (index.php) |
| IT (1) | IT972618B (index.php) |
| NL (1) | NL7217673A (index.php) |
| SE (1) | SE378478B (index.php) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB889872A (en) * | 1957-04-24 | 1962-02-21 | Sarkes Tarzian | A method of treating a semi-conductor device |
| FR1266612A (fr) * | 1960-06-02 | 1961-07-17 | Solutions d'attaque chimiques pour le traitement en surface des matériaux semiconducteurs | |
| NL271850A (index.php) * | 1961-02-03 | |||
| GB980513A (en) * | 1961-11-17 | 1965-01-13 | Licentia Gmbh | Improvements relating to the use of silicon in semi-conductor devices |
| DE1621511A1 (de) * | 1967-04-01 | 1970-07-23 | Siemens Ag | Verfahren zum Entspiegeln von Siliziumeinkristalloberflaechen |
-
1972
- 1972-03-23 DE DE2214197A patent/DE2214197C3/de not_active Expired
- 1972-11-29 CH CH1742472A patent/CH575175A5/xx not_active IP Right Cessation
- 1972-11-29 AT AT1017072A patent/AT325678B/de active
- 1972-12-14 ES ES409621A patent/ES409621A1/es not_active Expired
- 1972-12-20 IT IT33232/72A patent/IT972618B/it active
- 1972-12-21 FR FR7245655A patent/FR2176664B1/fr not_active Expired
- 1972-12-27 NL NL7217673A patent/NL7217673A/xx unknown
-
1973
- 1973-01-25 GB GB380173A patent/GB1362507A/en not_active Expired
- 1973-03-22 JP JP48033044A patent/JPS525230B2/ja not_active Expired
- 1973-03-23 BE BE129187A patent/BE797244A/xx unknown
- 1973-03-23 SE SE7304136A patent/SE378478B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH575175A5 (index.php) | 1976-04-30 |
| NL7217673A (index.php) | 1973-09-25 |
| FR2176664B1 (index.php) | 1977-12-30 |
| DE2214197B2 (de) | 1981-04-23 |
| BE797244A (fr) | 1973-07-16 |
| JPS525230B2 (index.php) | 1977-02-10 |
| SE378478B (index.php) | 1975-09-01 |
| DE2214197C3 (de) | 1982-01-14 |
| AT325678B (de) | 1975-11-10 |
| FR2176664A1 (index.php) | 1973-11-02 |
| ATA1017072A (de) | 1975-01-15 |
| DE2214197A1 (de) | 1973-09-27 |
| IT972618B (it) | 1974-05-31 |
| JPS4915371A (index.php) | 1974-02-09 |
| GB1362507A (en) | 1974-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE382225B (sv) | Detergentkomposition lemplig for maskindisk. | |
| DK126236B (da) | Fremgangsmåde til fremstilling af L-3,4-dihydroxyphenylalanintabletter. | |
| IT969808B (it) | Procedimento di fabbricazione di percarbonato di sodio | |
| DK128125B (da) | Fremgangsmåde til fremstilling af glukoseisomerase. | |
| BE616534A (fr) | Procédé de fabrication de carbonate de sodium dense. | |
| DK117972B (da) | Fremgangsmåde til fremstilling af brudsikre vaskemiddeltabletter. | |
| DK130466B (da) | Fremgangsmåde til omdannelse af glucose til fructose. | |
| FR96065E (fr) | Procédé de gravure précise de semiconducteurs. | |
| ES409621A1 (es) | Procedimiento para la corrosion alcalina de sistemas semi- conductores. | |
| DK108166C (da) | Fremgangsmåde til fremstilling af alkalimetalboranater, navnlig natriumboranat, eller alkalimetalboranatholdige reaktionsblandinger. | |
| DK134353B (da) | Vaske- og rengøringsmiddel indeholdende buildersalte. | |
| JPS5223251A (en) | Semiconductor circuit | |
| DK127166B (da) | Fremgangsmåde til udvinding af amylase-inhibitor. | |
| DK136391B (da) | Fremgangsmåde til fremstilling af et blødt, tørt, tekstureret dyrefoder. | |
| DK131983B (da) | Fremgangsmåde til regenerering af en arbejdsopløsning til fremstilling af hydrogenperoxyd. | |
| DK127792B (da) | Fremgangsmåde til fremstilling af i alkalisk milieu aktiv dextranase. | |
| DK125241B (da) | Analogifremgangsmåde til fremstilling af substituerede o-anilinophenethylalkoholer. | |
| DK128076B (da) | Fremgangsmåde til reduktion af zearalenon til zearalanol. | |
| DK128538B (da) | Fremgangsmåde til reduktion af zearalenon til zearalanol. | |
| IT940614B (it) | Processo per realizzare contatti di schottky | |
| DK129788B (da) | Analogifremgangsmåde til fremstilling af α-aminoalkyl-4-hydroxy-3-ureidobenzylalkoholer. | |
| SE386923B (sv) | Forfarande for atervinning av kemikalier fran avlut, spec. avlut fran sulfitkokning pa natriumbas | |
| DK123174B (da) | Fremgangsmåde til fremstilling af alkalisk protease. | |
| BE775846A (fr) | Procede de fabrication de carbonate alcalin | |
| JPS531428A (en) | Semiconductor memory |