JPH01177405U - - Google Patents
Info
- Publication number
- JPH01177405U JPH01177405U JP7330988U JP7330988U JPH01177405U JP H01177405 U JPH01177405 U JP H01177405U JP 7330988 U JP7330988 U JP 7330988U JP 7330988 U JP7330988 U JP 7330988U JP H01177405 U JPH01177405 U JP H01177405U
- Authority
- JP
- Japan
- Prior art keywords
- core
- magnetic head
- groove
- gear
- flux density
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7330988U JPH01177405U (US06521211-20030218-C00004.png) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7330988U JPH01177405U (US06521211-20030218-C00004.png) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177405U true JPH01177405U (US06521211-20030218-C00004.png) | 1989-12-19 |
Family
ID=31298455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7330988U Pending JPH01177405U (US06521211-20030218-C00004.png) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177405U (US06521211-20030218-C00004.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179919A (ja) * | 1982-04-14 | 1983-10-21 | Pioneer Electronic Corp | 磁気ヘツド及びその製造方法 |
| JPS62102408A (ja) * | 1985-10-30 | 1987-05-12 | Canon Inc | 磁気ヘツドコア |
-
1988
- 1988-05-31 JP JP7330988U patent/JPH01177405U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179919A (ja) * | 1982-04-14 | 1983-10-21 | Pioneer Electronic Corp | 磁気ヘツド及びその製造方法 |
| JPS62102408A (ja) * | 1985-10-30 | 1987-05-12 | Canon Inc | 磁気ヘツドコア |
