JPH0450758U - - Google Patents

Info

Publication number
JPH0450758U
JPH0450758U JP9417690U JP9417690U JPH0450758U JP H0450758 U JPH0450758 U JP H0450758U JP 9417690 U JP9417690 U JP 9417690U JP 9417690 U JP9417690 U JP 9417690U JP H0450758 U JPH0450758 U JP H0450758U
Authority
JP
Japan
Prior art keywords
silicon diaphragm
spiral ripples
spiral
emanating
stripes
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
JP9417690U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP9417690U priority Critical patent/JPH0450758U/ja
Publication of JPH0450758U publication Critical patent/JPH0450758U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図、第3図は、本考案に係るシリコンダイ
ヤフラムの各実施例の平面図、第2図は第1図の
断面図、第4図は従来例の平面図である。 P……渦巻状波紋、P,P……円形波紋、
D……ダイヤフラム。
1 and 3 are plan views of each embodiment of the silicon diaphragm according to the present invention, FIG. 2 is a sectional view of FIG. 1, and FIG. 4 is a plan view of a conventional example. P...Spiral ripples, P1 , P2 ...Circular ripples,
D...Diaphragm.

Claims (1)

【実用新案登録請求の範囲】 (1) 周辺部分に、渦巻状波紋を形成し、中央部
分は平らに形成して成るシリコンダイヤフラム。 (2) 上記渦巻状波紋は、周方向等分位置から発
した複数条であることを特徴とする請求項(1)記
載のシリコンダイヤフラム。
[Claims for Utility Model Registration] (1) A silicon diaphragm with spiral ripples formed on the periphery and a flat central portion. (2) The silicon diaphragm according to claim (1), wherein the spiral ripples are a plurality of stripes emanating from equally spaced positions in the circumferential direction.
JP9417690U 1990-09-06 1990-09-06 Pending JPH0450758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9417690U JPH0450758U (en) 1990-09-06 1990-09-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9417690U JPH0450758U (en) 1990-09-06 1990-09-06

Publications (1)

Publication Number Publication Date
JPH0450758U true JPH0450758U (en) 1992-04-28

Family

ID=31831925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9417690U Pending JPH0450758U (en) 1990-09-06 1990-09-06

Country Status (1)

Country Link
JP (1) JPH0450758U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718719A (en) * 1980-07-07 1982-01-30 Hitachi Ltd Preparation of polyurethane foam
JPH0251664A (en) * 1988-04-21 1990-02-21 Tatsuta Electric Wire & Cable Co Ltd Diaphragm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718719A (en) * 1980-07-07 1982-01-30 Hitachi Ltd Preparation of polyurethane foam
JPH0251664A (en) * 1988-04-21 1990-02-21 Tatsuta Electric Wire & Cable Co Ltd Diaphragm

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