JPS5428545A - Manufacture of piezoelectric filter - Google Patents

Manufacture of piezoelectric filter

Info

Publication number
JPS5428545A
JPS5428545A JP9381777A JP9381777A JPS5428545A JP S5428545 A JPS5428545 A JP S5428545A JP 9381777 A JP9381777 A JP 9381777A JP 9381777 A JP9381777 A JP 9381777A JP S5428545 A JPS5428545 A JP S5428545A
Authority
JP
Japan
Prior art keywords
manufacture
piezoelectric filter
filter
imparing
oscillator
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.)
Pending
Application number
JP9381777A
Other languages
Japanese (ja)
Inventor
Junichi Inohara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9381777A priority Critical patent/JPS5428545A/en
Publication of JPS5428545A publication Critical patent/JPS5428545A/en
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE: To hold the whole of the filter without imparing the oscillation of the piezoelectric ceramic element by forming the gap around the oscillator through evaporation of the paraffin due to the heat of the molding time.
COPYRIGHT: (C)1979,JPO&Japio
JP9381777A 1977-08-04 1977-08-04 Manufacture of piezoelectric filter Pending JPS5428545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9381777A JPS5428545A (en) 1977-08-04 1977-08-04 Manufacture of piezoelectric filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9381777A JPS5428545A (en) 1977-08-04 1977-08-04 Manufacture of piezoelectric filter

Publications (1)

Publication Number Publication Date
JPS5428545A true JPS5428545A (en) 1979-03-03

Family

ID=14092941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9381777A Pending JPS5428545A (en) 1977-08-04 1977-08-04 Manufacture of piezoelectric filter

Country Status (1)

Country Link
JP (1) JPS5428545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009021333A (en) * 2007-07-11 2009-01-29 Nec Electronics Corp Method of manufacturing optical coupling apparatus, and optical coupling apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092694A (en) * 1973-12-14 1975-07-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092694A (en) * 1973-12-14 1975-07-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009021333A (en) * 2007-07-11 2009-01-29 Nec Electronics Corp Method of manufacturing optical coupling apparatus, and optical coupling apparatus

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