DE2303184C3 - Herstellungsverfahren für Körper mit Hohlraum - Google Patents

Herstellungsverfahren für Körper mit Hohlraum

Info

Publication number
DE2303184C3
DE2303184C3 DE19732303184 DE2303184A DE2303184C3 DE 2303184 C3 DE2303184 C3 DE 2303184C3 DE 19732303184 DE19732303184 DE 19732303184 DE 2303184 A DE2303184 A DE 2303184A DE 2303184 C3 DE2303184 C3 DE 2303184C3
Authority
DE
Germany
Prior art keywords
cavity
metal film
metal
base metal
conductive
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
DE19732303184
Other languages
German (de)
English (en)
Other versions
DE2303184B2 (de
DE2303184A1 (de
Inventor
Ahihiko Tokio Higurashi
Kuninori Kanagawa Imai
Hiroshi Okada
Soji Takahashi
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.)
Hitachi Ltd
Kokusai Denki Electric Inc
Original Assignee
Hitachi Denshi KK
Hitachi Ltd
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
Priority claimed from JP909872A external-priority patent/JPS4879954A/ja
Priority claimed from JP8453472A external-priority patent/JPS4970558A/ja
Application filed by Hitachi Denshi KK, Hitachi Ltd filed Critical Hitachi Denshi KK
Publication of DE2303184A1 publication Critical patent/DE2303184A1/de
Publication of DE2303184B2 publication Critical patent/DE2303184B2/de
Priority to US05/537,951 priority Critical patent/US3955274A/en
Application granted granted Critical
Publication of DE2303184C3 publication Critical patent/DE2303184C3/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/22—Making metal-coated products; Making products from two or more metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguides (AREA)
DE19732303184 1972-01-26 1973-01-23 Herstellungsverfahren für Körper mit Hohlraum Expired DE2303184C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/537,951 US3955274A (en) 1972-08-25 1974-12-30 Method of manufacturing a low energy-loss waveguide circuit element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP909872A JPS4879954A (enExample) 1972-01-26 1972-01-26
JP8453472A JPS4970558A (enExample) 1972-08-25 1972-08-25

Publications (3)

Publication Number Publication Date
DE2303184A1 DE2303184A1 (de) 1973-08-16
DE2303184B2 DE2303184B2 (de) 1974-03-07
DE2303184C3 true DE2303184C3 (de) 1975-10-30

Family

ID=26343755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732303184 Expired DE2303184C3 (de) 1972-01-26 1973-01-23 Herstellungsverfahren für Körper mit Hohlraum

Country Status (3)

Country Link
DE (1) DE2303184C3 (enExample)
FR (1) FR2169277B1 (enExample)
GB (1) GB1411915A (enExample)

Also Published As

Publication number Publication date
FR2169277A1 (enExample) 1973-09-07
FR2169277B1 (enExample) 1975-10-31
GB1411915A (en) 1975-10-29
DE2303184B2 (de) 1974-03-07
DE2303184A1 (de) 1973-08-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee