JPH0268599U - - Google Patents
Info
- Publication number
- JPH0268599U JPH0268599U JP14820688U JP14820688U JPH0268599U JP H0268599 U JPH0268599 U JP H0268599U JP 14820688 U JP14820688 U JP 14820688U JP 14820688 U JP14820688 U JP 14820688U JP H0268599 U JPH0268599 U JP H0268599U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- amorphous carbon
- coating
- thickness
- insulating film
- 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
Links
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案のコイルボビンを有するスピー
カ用ボイスコイルの斜視図、第２図は本考案の縦
断面、第３図は本考案を製造する装置の概略構成
図を示す。
１……金属ボビン、４……アモルフアスカーボ
ンの層。
FIG. 1 is a perspective view of a speaker voice coil having a coil bobbin according to the present invention, FIG. 2 is a longitudinal section of the present invention, and FIG. 3 is a schematic diagram of an apparatus for manufacturing the present invention. 1...Metal bobbin, 4...Amorphous carbon layer.
Claims (1)
にて３μ以上の厚さでコーテイングして形成した
ことを特徴とするコイルボビン。 A coil bobbin characterized by forming an insulating film on a metal bobbin by coating it with amorphous carbon to a thickness of 3μ or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14820688U JPH0268599U (en) | 1988-11-14 | 1988-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14820688U JPH0268599U (en) | 1988-11-14 | 1988-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268599U true JPH0268599U (en) | 1990-05-24 |
Family
ID=31419318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14820688U Pending JPH0268599U (en) | 1988-11-14 | 1988-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008035260A (en) * | 2006-07-28 | 2008-02-14 | Nidec Pigeon Corp | Speaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950195B2 (en) * | 1977-06-24 | 1984-12-06 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | luminous screen |
| JPS60190557A (en) * | 1984-03-13 | 1985-09-28 | Meidensha Electric Mfg Co Ltd | Coating material and its manufacture |
| JPS61244195A (en) * | 1985-04-22 | 1986-10-30 | Kenwood Corp | Acoustic diaphragm |
| JPS62289096A (en) * | 1986-06-09 | 1987-12-15 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
-
1988
- 1988-11-14 JP JP14820688U patent/JPH0268599U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950195B2 (en) * | 1977-06-24 | 1984-12-06 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | luminous screen |
| JPS60190557A (en) * | 1984-03-13 | 1985-09-28 | Meidensha Electric Mfg Co Ltd | Coating material and its manufacture |
| JPS61244195A (en) * | 1985-04-22 | 1986-10-30 | Kenwood Corp | Acoustic diaphragm |
| JPS62289096A (en) * | 1986-06-09 | 1987-12-15 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008035260A (en) * | 2006-07-28 | 2008-02-14 | Nidec Pigeon Corp | Speaker |