FR1437929A - Metal attack technique - Google Patents

Metal attack technique

Info

Publication number
FR1437929A
FR1437929A FR21759A FR21759A FR1437929A FR 1437929 A FR1437929 A FR 1437929A FR 21759 A FR21759 A FR 21759A FR 21759 A FR21759 A FR 21759A FR 1437929 A FR1437929 A FR 1437929A
Authority
FR
France
Prior art keywords
attack technique
metal attack
metal
technique
attack
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
Application number
FR21759A
Other languages
French (fr)
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of FR1437929A publication Critical patent/FR1437929A/en
Expired 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
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/06—Solidifying liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • ing And Chemical Polishing (AREA)
FR21759A 1964-06-29 1965-06-22 Metal attack technique Expired FR1437929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37861364A 1964-06-29 1964-06-29

Publications (1)

Publication Number Publication Date
FR1437929A true FR1437929A (en) 1966-05-06

Family

ID=23493830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21759A Expired FR1437929A (en) 1964-06-29 1965-06-22 Metal attack technique

Country Status (6)

Country Link
BE (1) BE665755A (en)
CH (1) CH461917A (en)
DE (1) DE1521977B1 (en)
FR (1) FR1437929A (en)
GB (1) GB1088297A (en)
NL (1) NL6508206A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571913A (en) * 1968-08-20 1971-03-23 Hewlett Packard Co Method of making ohmic contact to a shallow diffused transistor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033793A (en) * 1958-08-13 1962-05-08 Photo Engravers Res Inc Powderless etching of copper photoengraving plates
US3136670A (en) * 1961-09-14 1964-06-09 Photo Engravers Res Inc Powderless etching

Also Published As

Publication number Publication date
DE1521977B1 (en) 1969-09-11
NL6508206A (en) 1965-12-30
CH461917A (en) 1968-08-31
GB1088297A (en) 1967-10-25
BE665755A (en) 1965-10-18

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