FR2156125A1 - Etching semiconductors - in vessel with forced liquid circulation - Google Patents

Etching semiconductors - in vessel with forced liquid circulation

Info

Publication number
FR2156125A1
FR2156125A1 FR7235505A FR7235505A FR2156125A1 FR 2156125 A1 FR2156125 A1 FR 2156125A1 FR 7235505 A FR7235505 A FR 7235505A FR 7235505 A FR7235505 A FR 7235505A FR 2156125 A1 FR2156125 A1 FR 2156125A1
Authority
FR
France
Prior art keywords
vessel
liquid circulation
forced liquid
etching semiconductors
specimen
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
Application number
FR7235505A
Other languages
English (en)
French (fr)
Other versions
FR2156125B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2156125A1 publication Critical patent/FR2156125A1/fr
Application granted granted Critical
Publication of FR2156125B1 publication Critical patent/FR2156125B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material

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)
  • Cleaning Or Drying Semiconductors (AREA)
  • Weting (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Sampling And Sample Adjustment (AREA)
FR7235505A 1971-10-07 1972-10-06 Etching semiconductors - in vessel with forced liquid circulation Granted FR2156125A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7113748A NL7113748A (enrdf_load_stackoverflow) 1971-10-07 1971-10-07

Publications (2)

Publication Number Publication Date
FR2156125A1 true FR2156125A1 (en) 1973-05-25
FR2156125B1 FR2156125B1 (enrdf_load_stackoverflow) 1976-03-26

Family

ID=19814194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7235505A Granted FR2156125A1 (en) 1971-10-07 1972-10-06 Etching semiconductors - in vessel with forced liquid circulation

Country Status (5)

Country Link
JP (1) JPS4846271A (enrdf_load_stackoverflow)
DE (1) DE2248185A1 (enrdf_load_stackoverflow)
FR (1) FR2156125A1 (enrdf_load_stackoverflow)
IT (1) IT975163B (enrdf_load_stackoverflow)
NL (1) NL7113748A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331631A1 (fr) * 1975-11-12 1977-06-10 Struers Ks Dispositif de polissage electrolytique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331631A1 (fr) * 1975-11-12 1977-06-10 Struers Ks Dispositif de polissage electrolytique

Also Published As

Publication number Publication date
NL7113748A (enrdf_load_stackoverflow) 1973-04-10
DE2248185A1 (de) 1973-04-12
IT975163B (it) 1974-07-20
JPS4846271A (enrdf_load_stackoverflow) 1973-07-02
FR2156125B1 (enrdf_load_stackoverflow) 1976-03-26

Similar Documents

Publication Publication Date Title
IT948734B (it) Dispositivo per l aerazione di li quidi e relativo procedimento di conduzione
FR1205301A (fr) Appareil pour assurer la circulation et l'aération d'un liquide dans une cuve
FR2156125A1 (en) Etching semiconductors - in vessel with forced liquid circulation
ZA725153B (en) Hyperbolic cross-flow cooling tower with basins and fill integrated into shell
AT339636B (de) Vorrichtung zur kuhlung von flussigen kraftstoffen oder ahnlichen flussigkeiten
ES484670A1 (es) Dispositivo para la homogeneizacion y tratamiento termico deliquidos
SE7906290L (sv) Anordning for losning av koldioxid i vatten
IT954140B (it) Procedimento per il raffreddamento di liquidi in particolare di pro dotti alimentari liquidi
FR2233584A1 (en) Vertical heat exchanger with low liquid level - has distributors directing film of condensate under gravity onto heated surface at bottom
FR2251787A1 (en) Wine refrigerating cask - has compressor in bottom half with heater on base perforated for air circulation
FR2109276A5 (en) Brazing press - for brazing flat plates of metal by hf induction heating
IT966083B (it) Dispositivo per la formazione di gradienti di densita di liquidi in particolare per centrifugazione
SU368320A1 (ru) .^С<:,СОЮЭПАЯимо-тио-т^лнинй^:^^(-•'SJlHC'i 'Л! лЛ
FR2135031A1 (en) Sealed tube heat exchanger - modified to avoid entrainment of liquid transfer medium during vaporization
FR2083109A6 (en) Aerating sewage sludge
GB337612A (en) An improved cooling vessel
ES181224U (es) Unidad frigorífica expendedora de cerveza
ATE17342T1 (de) Dosiergeraet.
NL7411362A (en) Aerator for waste water ponds - with scoops having an open figure nine shaped cross section rotating at the surface
IT967694B (it) Procedimento e dispositivo per la desolforazione chimica di ghisa liquida
FR2354530A1 (fr) Procede de transfert thermique a travers une paroi
ES270982A3 (es) Un dispositivo para el cultivo continuo de microorganismos aerobios
JPS543942A (en) Heater for liquid having ethylene quadrifluoride resin surface
ES195040U (es) Aparato cambiador de calor para liquidos perfeccionado.
FR2139762A1 (en) Liquid blender - to homogenize layers of differing density without aeration

Legal Events

Date Code Title Description
ST Notification of lapse