BR6913613D0 - Processo para fabricar um conjunto de nucleo para uma cabeca de som magnetica e nucleo resultante - Google Patents

Processo para fabricar um conjunto de nucleo para uma cabeca de som magnetica e nucleo resultante

Info

Publication number
BR6913613D0
BR6913613D0 BR213613/69A BR21361369A BR6913613D0 BR 6913613 D0 BR6913613 D0 BR 6913613D0 BR 213613/69 A BR213613/69 A BR 213613/69A BR 21361369 A BR21361369 A BR 21361369A BR 6913613 D0 BR6913613 D0 BR 6913613D0
Authority
BR
Brazil
Prior art keywords
nucleus
manufacture
assembly
resulting
sound head
Prior art date
Application number
BR213613/69A
Other languages
English (en)
Inventor
C Gingerich
E Heupel
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR6913613D0 publication Critical patent/BR6913613D0/pt

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/265Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/265Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651Manufacture
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49048Machining magnetic material [e.g., grinding, etching, polishing]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49021Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032Fabricating head structure or component thereof
    • Y10T29/49055Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
BR213613/69A 1969-01-09 1969-10-24 Processo para fabricar um conjunto de nucleo para uma cabeca de som magnetica e nucleo resultante BR6913613D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79013969A 1969-01-09 1969-01-09

Publications (1)

Publication Number Publication Date
BR6913613D0 true BR6913613D0 (pt) 1973-01-25

Family

ID=25149752

Family Applications (1)

Application Number Title Priority Date Filing Date
BR213613/69A BR6913613D0 (pt) 1969-01-09 1969-10-24 Processo para fabricar um conjunto de nucleo para uma cabeca de som magnetica e nucleo resultante

Country Status (7)

Country Link
US (1) US3584375A (pt)
BE (1) BE743846A (pt)
BR (1) BR6913613D0 (pt)
CH (1) CH495603A (pt)
DE (1) DE2000504C3 (pt)
ES (1) ES374934A1 (pt)
FR (1) FR2027971A6 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5577025A (en) * 1978-12-01 1980-06-10 Tdk Corp Erasing head
JPS639845Y2 (pt) * 1981-05-01 1988-03-24

Also Published As

Publication number Publication date
DE2000504B2 (pt) 1980-03-13
DE2000504C3 (de) 1980-11-06
ES374934A1 (es) 1972-03-16
FR2027971A6 (pt) 1970-10-02
BE743846A (pt) 1970-05-28
CH495603A (de) 1970-08-31
US3584375A (en) 1971-06-15
DE2000504A1 (de) 1970-07-23

Similar Documents

Publication Publication Date Title
BR7104354D0 (pt) Processo para a fabricacao de novos corantes azoicos
BR7019271D0 (pt) Processo para a fabricacao de acidos benzenocarboxilicos
BR6915684D0 (pt) Processo para a producao de micro-capsulas
BR6915366D0 (pt) Processo para a preparacao de novos esteres heterociclico
BR6803854D0 (pt) Processo para producao de novas preparacoes de enzimas proteoliticas
BR7108671D0 (pt) Processo aperfeicoado para produzir uma ureia
BR7108208D0 (pt) Processo para preparacao de novos derivados de piperidina
BR7015255D0 (pt) Processo para a fabricacao de novos esteres diglicidilico
CH518608A (de) Magnetkopfanordnung
BR6915221D0 (pt) Processo para a fabricacao de derivados de morfilina
CH495602A (de) Magnetkopfanordnung
BR6913613D0 (pt) Processo para fabricar um conjunto de nucleo para uma cabeca de som magnetica e nucleo resultante
BR7105722D0 (pt) Um nucleo magnetico e processo para fabricacao
BR7105419D0 (pt) Processo para fabricacao de azo-compostos
BR7020067D0 (pt) Processo para a preparacao de derivados de amino piperidina
BR7015772D0 (pt) Processo para a fabricacao de novos azo corantes
BR6914716D0 (pt) Processo para a producao de um novo estratriol
BR6915004D0 (pt) Novo processo para a preparacao de composto de 18-cianopregnano
BR6915119D0 (pt) Processo para fabricacao de novos 6-alfa-metil-19-nor-pregnenos
BR7105055D0 (pt) Um processo para a producao de esteres e sua composicao
BR7018868D0 (pt) Processo para a preparacao de novos poliesteres
BR6575121D0 (pt) Novo processo para producao de anfalminticos
BR6914715D0 (pt) Processo para a preparacao de um novo estratriol
BR7017654D0 (pt) Processo para a fabricacao de novos azo corantes
BR7102519D0 (pt) Processo para a fabricacao de propiomaldeido