DE69007180D1 - Verschlussglas mit geringem Verschleiss für Magnetbandköpfe. - Google Patents
Verschlussglas mit geringem Verschleiss für Magnetbandköpfe.Info
- Publication number
- DE69007180D1 DE69007180D1 DE90850196T DE69007180T DE69007180D1 DE 69007180 D1 DE69007180 D1 DE 69007180D1 DE 90850196 T DE90850196 T DE 90850196T DE 69007180 T DE69007180 T DE 69007180T DE 69007180 D1 DE69007180 D1 DE 69007180D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic tape
- sealing glass
- low wear
- tape heads
- heads
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/24—Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B5/295—Manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36773389A | 1989-06-19 | 1989-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69007180D1 true DE69007180D1 (de) | 1994-04-14 |
DE69007180T2 DE69007180T2 (de) | 1994-09-22 |
Family
ID=23448386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1990607180 Expired - Fee Related DE69007180T2 (de) | 1989-06-19 | 1990-05-21 | Verschlussglas mit geringem Verschleiss für Magnetbandköpfe. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0404741B1 (de) |
JP (1) | JPH06103523B2 (de) |
DE (1) | DE69007180T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3376300B1 (de) | 2012-10-15 | 2023-12-27 | Hewlett-Packard Development Company, L.P. | Aufladerolle für einen elektrografischen drucker |
CN108225403B (zh) * | 2017-12-28 | 2024-01-30 | 重庆日联科技有限公司 | 带托盘的异形件通用检测机 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2316742A (en) * | 1941-06-05 | 1943-04-13 | E I Du Pont De Neumours & Comp | Ceramic coating composition |
US3493405A (en) * | 1967-08-07 | 1970-02-03 | Gen Electric | Semiconductor encapsulation glass |
DE1596995A1 (de) * | 1967-12-28 | 1971-04-01 | Siemens Ag | Glaslot |
US4435511A (en) * | 1982-09-13 | 1984-03-06 | Owens-Illinois, Inc. | Glasses suitable for sealing ferrites |
JPS60186437A (ja) * | 1984-03-02 | 1985-09-21 | Fuji Elelctrochem Co Ltd | フエライト接着用ガラス組成物 |
JPS63170240A (ja) * | 1987-01-09 | 1988-07-14 | Toshiba Glass Co Ltd | 低融点ガラス組成物 |
JPH01138151A (ja) * | 1987-11-24 | 1989-05-31 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
-
1990
- 1990-05-21 DE DE1990607180 patent/DE69007180T2/de not_active Expired - Fee Related
- 1990-05-21 EP EP19900850196 patent/EP0404741B1/de not_active Expired - Lifetime
- 1990-06-19 JP JP2158896A patent/JPH06103523B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0333028A (ja) | 1991-02-13 |
DE69007180T2 (de) | 1994-09-22 |
JPH06103523B2 (ja) | 1994-12-14 |
EP0404741A1 (de) | 1990-12-27 |
EP0404741B1 (de) | 1994-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69018544D1 (de) | Wiedergabemethode für magneto-optische Aufzeichnung. | |
DE3679494D1 (de) | Gleitstueckzusammenbau fuer magnetische koepfe. | |
FI844304L (fi) | Magnetisk anordning foer braensleledning. | |
DE68917535D1 (de) | Magnetbandkassetten - Identifizierung. | |
DE69018216D1 (de) | Kassette für thermisches Schreibband. | |
DE3587728D1 (de) | Magnetisches Aufzeichnungsgerät. | |
DE3677942D1 (de) | Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung. | |
DE59007831D1 (de) | Magnetische Aufzeichnungsträger. | |
DE68909956D1 (de) | Suchverfahren für Aufzeichnungsmedien. | |
DE3681111D1 (de) | Nichtabrasives magnetisches aufzeichnungsband. | |
AT397687B (de) | Magnetschlüsselbetätigter schliesszylinder | |
IT8423245A0 (it) | Valvola magnetica. | |
DE3585243D1 (de) | Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf. | |
DE3577490D1 (de) | Magnetischer aufzeichnungstraeger. | |
DE3575627D1 (de) | Magnetischer aufzeichnungstraeger. | |
IT8220977A0 (it) | Testina magnetica. | |
DE69018534D1 (de) | Mehrspur-Magnetkopf mit grossem Feldkontrast. | |
DE69018700D1 (de) | Aufzeichnungsgerät für magnetooptische Platten. | |
DE69029720D1 (de) | Medium für magnetische aufzeichnungen | |
DE3689550D1 (de) | Magnetbandaufnahme- oder -wiedergabegerät mit Drehkopfanordnung. | |
DE69012226D1 (de) | Magnetbandkassette. | |
DE69007180D1 (de) | Verschlussglas mit geringem Verschleiss für Magnetbandköpfe. | |
DE3575034D1 (de) | Magnetischer aufzeichnungstraeger. | |
DE3575626D1 (de) | Spurnachgesteuertes magnetbandgerat mit querspuraufzeichnung. | |
DE59008806D1 (de) | Aufnahmebehälter für Magnetbandkassette. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |