FR2451018B1 - Procede pour augmenter la resistance d'elements d'amorcage de geometrie predeterminee - Google Patents

Procede pour augmenter la resistance d'elements d'amorcage de geometrie predeterminee

Info

Publication number
FR2451018B1
FR2451018B1 FR7930391A FR7930391A FR2451018B1 FR 2451018 B1 FR2451018 B1 FR 2451018B1 FR 7930391 A FR7930391 A FR 7930391A FR 7930391 A FR7930391 A FR 7930391A FR 2451018 B1 FR2451018 B1 FR 2451018B1
Authority
FR
France
Prior art keywords
increasing
resistance
predetermined geometric
priming elements
priming
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
FR7930391A
Other languages
English (en)
Other versions
FR2451018A1 (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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of FR2451018A1 publication Critical patent/FR2451018A1/fr
Application granted granted Critical
Publication of FR2451018B1 publication Critical patent/FR2451018B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/128—Bridge initiators characterised by the composition of the pyrotechnic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
    • H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
    • H01C17/2416—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by chemical etching

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Non-Adjustable Resistors (AREA)
  • Resistance Heating (AREA)
  • Thermistors And Varistors (AREA)
FR7930391A 1979-03-03 1979-12-11 Procede pour augmenter la resistance d'elements d'amorcage de geometrie predeterminee Expired FR2451018B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2908361A DE2908361C2 (de) 1979-03-03 1979-03-03 Verfahren zum Erhöhen des Widerstandes elektrischen Zündelementen

Publications (2)

Publication Number Publication Date
FR2451018A1 FR2451018A1 (fr) 1980-10-03
FR2451018B1 true FR2451018B1 (fr) 1986-09-05

Family

ID=6064406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930391A Expired FR2451018B1 (fr) 1979-03-03 1979-12-11 Procede pour augmenter la resistance d'elements d'amorcage de geometrie predeterminee

Country Status (4)

Country Link
US (1) US4294648A (fr)
DE (1) DE2908361C2 (fr)
FR (1) FR2451018B1 (fr)
GB (1) GB2044009B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478886A1 (fr) * 1980-03-21 1981-09-25 Comp Generale Electricite Amplificateur laser
US4486738A (en) * 1982-02-16 1984-12-04 General Electric Ceramics, Inc. High reliability electrical components
US4554732A (en) * 1982-02-16 1985-11-26 General Electric Company High reliability electrical components
FR2538207B1 (fr) * 1982-12-15 1985-08-16 Electro Resistance Procede pour la fabrication d'un circuit electrique destine a la mise a feu d'un dispositif pyrotechnique et circuit ainsi obtenu
GB8403968D0 (en) * 1984-02-15 1984-03-21 Heraeus Gmbh W C Chip resistors
GB8531324D0 (en) * 1985-12-19 1986-01-29 Gen Electric Co Plc Circuit arrangement
JP3358070B2 (ja) * 1993-11-17 2002-12-16 ローム株式会社 チップ抵抗器およびその抵抗値調整方法
US6079332A (en) * 1996-11-01 2000-06-27 The Ensign-Bickford Company Shock-resistant electronic circuit assembly
AU5435098A (en) * 1996-12-05 1998-06-29 International Resistive Company, Inc. Ceramic substrate electric igniter with nitrided tantalum bridge
DE10302800A1 (de) 2003-01-24 2004-08-12 Epcos Ag Verfahren zur Herstellung eines Bauelements

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE829186C (de) * 1948-10-02 1952-01-24 Siemens Schuckertwerke A G Verfahren zur Bemessung des elektrischen Widerstandes von Schmelzleitern
DE1490986C3 (de) * 1962-10-01 1974-04-04 Xerox Corp., Rochester, N.Y. (V.St.A.) Verfahren zur Herstellung eines elektrischen Widerstandselements mit teilweiser Entfernung der Widerstandsschicht zwecks Einstellung der Widerstandseigenschaften
FR1366773A (fr) * 1963-03-26 1964-07-17 Ibm Procédé d'ajustement de dispositifs d'impédance à couches minces
US3326792A (en) * 1963-09-25 1967-06-20 Jr Donald Max Snodderly Differential etching apparatus
US3290192A (en) * 1965-07-09 1966-12-06 Motorola Inc Method of etching semiconductors
GB1149775A (en) * 1966-09-21 1969-04-23 Associated Semiconductor Mft Thin film resistors
NL6805843A (fr) * 1967-04-26 1968-10-28
US3481843A (en) * 1967-08-07 1969-12-02 Bell Telephone Labor Inc Technique for anodization of thin film resistors
US3447416A (en) * 1967-09-01 1969-06-03 Us Army Electric initiator
US3549439A (en) * 1967-09-15 1970-12-22 North American Rockwell Chemical lapping method
FR1554760A (fr) * 1967-11-10 1969-01-24
SE354143B (fr) * 1972-02-15 1973-02-26 Ericsson Telefon Ab L M
DE2701373C2 (de) * 1977-01-14 1982-12-23 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Verfahren zum Herstellen einer Widerstandsschicht von Metallschichtzündmitteln
US4188258A (en) * 1978-05-18 1980-02-12 Gulton Industries, Inc. Process for fabricating strain gage transducer

Also Published As

Publication number Publication date
FR2451018A1 (fr) 1980-10-03
US4294648A (en) 1981-10-13
DE2908361A1 (de) 1980-09-04
GB2044009A (en) 1980-10-08
GB2044009B (en) 1983-04-20
DE2908361C2 (de) 1985-05-15

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Legal Events

Date Code Title Description
ST Notification of lapse