JPH0336480B2 - - Google Patents

Info

Publication number
JPH0336480B2
JPH0336480B2 JP14883884A JP14883884A JPH0336480B2 JP H0336480 B2 JPH0336480 B2 JP H0336480B2 JP 14883884 A JP14883884 A JP 14883884A JP 14883884 A JP14883884 A JP 14883884A JP H0336480 B2 JPH0336480 B2 JP H0336480B2
Authority
JP
Japan
Prior art keywords
printed circuit
copper foil
foil pattern
circuit board
fet
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
JP14883884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6128300A (ja
Inventor
Hiroyuki Baba
Hidesuke Oosumi
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 JP14883884A priority Critical patent/JPS6128300A/ja
Publication of JPS6128300A publication Critical patent/JPS6128300A/ja
Publication of JPH0336480B2 publication Critical patent/JPH0336480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0097—Processing two or more printed circuits simultaneously, e.g. made from a common substrate, or temporarily stacked circuit boards
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3447—Lead-in-hole components

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP14883884A 1984-07-18 1984-07-18 エレクトレツトコンデンサマイクロホンの製造法 Granted JPS6128300A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14883884A JPS6128300A (ja) 1984-07-18 1984-07-18 エレクトレツトコンデンサマイクロホンの製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14883884A JPS6128300A (ja) 1984-07-18 1984-07-18 エレクトレツトコンデンサマイクロホンの製造法

Publications (2)

Publication Number Publication Date
JPS6128300A JPS6128300A (ja) 1986-02-07
JPH0336480B2 true JPH0336480B2 (enExample) 1991-05-31

Family

ID=15461861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14883884A Granted JPS6128300A (ja) 1984-07-18 1984-07-18 エレクトレツトコンデンサマイクロホンの製造法

Country Status (1)

Country Link
JP (1) JPS6128300A (enExample)

Also Published As

Publication number Publication date
JPS6128300A (ja) 1986-02-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term