Recording By Magnetisation Or Demagnetisation Of A Record Carrier; Reproducing By Magnetic Means; Record Carriers Therefor (g9b/11 [n: And G9b/13] Take Precedence) {g11b 5/00} Patents (Class G9B/5)
Cross-Reference Art Collections
- [N: Assembling or shaping of elements (G9B/5.044 takes precedence)] {G11B 5/127A} (Class G9B/5.041)
- [N: with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers] {G11B 5/127C} (Class G9B/5.042)
- [N: specially adapted for magnetisations perpendicular to the surface of the record carrier] {G11B 5/127P} (Class G9B/5.044)
- with cores composed of particles, e.g. with dust core, with ferrite core [N: with cores composed of isolated magnetic particles (in thin films G9B/5.077)] {G11B 5/133} (Class G9B/5.045)
- with cores being composed of metal sheets, i.e. laminated cores [N: with cores composed of isolated magnetic layers, e.g. sheets (in thin films G9B/5.077)] {G11B 5/147} (Class G9B/5.047)
- Construction or disposition of windings {G11B 5/17} (Class G9B/5.05)
- Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features (G9B/5.068, [N: G9B/5.075], G9B/5.077 take precedence) {G11B 5/187} (Class G9B/5.051)
- Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track (G9B/5.104 takes precedence [N: in thin film structures G9B/5.077]) {G11B 5/265} (Class G9B/5.068)
- Structure or manufacture of unitary devices formed of plural heads for more than one track [N: G9B/5.104, G9B/5.159 and subgroups take precedence; in thin film structure G9B/5.077] {G11B 5/29} (Class G9B/5.075)
- using thin films [N: (G9B/5.042, G9B/5.044, G9B/5.054, G9B/5.055, G9B/5.104, G9B/5.159 take precedence; magnetic thin film structures H01F10/00)] {G11B 5/31} (Class G9B/5.077)
- Erasing heads using permanent magnets (general details therefor G9B/5.045 to G9B/5.067) {G11B 5/325} (Class G9B/5.103)
- Structure or manufacture of flux-sensitive heads, [N: i.e. for reproduction only; Combination of such heads with means for recording or erasing only] ([N: Single head using magnetic domains for scanning G9B/5.165; multiple head for scanning G9B/5.16 and subgroups]; general details therefor G9B/5.045 to G9B/5.067) {G11B 5/33} (Class G9B/5.104)
- [N: specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives (G9B/5.156 to G9B/5.181 take precedence)] [N9605] {G11B 5/48A} (Class G9B/5.148)
- [N: Disposition of heads (G9B/5.159, G9B/5.173 take precedence)] {G11B 5/48D} (Class G9B/5.156)
- Fixed mounting [N: or arrangements, e.g. one head per track] {G11B 5/49} (Class G9B/5.159)
- Interchangeable mountings, e.g. for replacement of head without readjustment {G11B 5/50} (Class G9B/5.172)
- with simultaneous movement of head and record carrier, e.g. rotation of head (G9B/5.204 takes precedence) {G11B 5/52} (Class G9B/5.173)
- with provision for moving the head into or out of its operative position or across tracks (G9B/5.202 takes precedence) {G11B 5/54} (Class G9B/5.181)
- with provision for moving the head [N: support] for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering (G9B/5.173, G9B/5.181, G9B/5.202 take precedence) {G11B 5/56} (Class G9B/5.201)
- with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following [N: spacing means incorporated in the head structure G9B/5.051, G9B/5.067, G9B/5.079] {G11B 5/58} (Class G9B/5.202)
- of leaders for magnetic tapes e.g. non-magnetic strips on the tapes or for connection (constructional features G9B/23.086) {G11B 5/627} (Class G9B/5.234)
- of cinematographic films or slides with integral magnetic track {G11B 5/633} (Class G9B/5.235)
- Comprising only the magnetisable material without bonding agent {G11B 5/64} (Class G9B/5.236)
- comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent {G11B 5/68} (Class G9B/5.242)
- Protective coatings, e.g. antistatic, antifriction {G11B 5/72} (Class G9B/5.28)
- Base layers [N0503] {G11B 5/73} (Class G9B/5.283)
- Coating a support with a liquid magnetic dispersion {G11B 5/842} (Class G9B/5.296)
- Coating a support with a magnetic layer by extrusion {G11B 5/848} (Class G9B/5.298)
- [N: manufacturing base layers] {G11B 5/84B} (Class G9B/5.299)
- [N: protecting the magnetic layer] {G11B 5/84C} (Class G9B/5.3)
- [N: treatment by ultrasonics] {G11B 5/84E} (Class G9B/5.301)
- [N: coating a support with a magnetic layer by precipitation] {G11B 5/84H} (Class G9B/5.302)
- Coating a support with a magnetic layer by vapour deposition {G11B 5/85} (Class G9B/5.303)
- Coating a support with a magnetic layer by sputtering [N0503] {G11B 5/851} (Class G9B/5.304)
- Orientation in a magnetic field (G9B/5.297 takes precedence) {G11B 5/852} (Class G9B/5.305)
- Coating only part of a support with a magnetic layer {G11B 5/855} (Class G9B/5.306)
- Producing a magnetic layer by electro-plating or electroless plating {G11B 5/858} (Class G9B/5.307)