GB2114934B - Sheet for use in a magnetic recording tape cassette - Google Patents
Sheet for use in a magnetic recording tape cassetteInfo
- Publication number
- GB2114934B GB2114934B GB08302171A GB8302171A GB2114934B GB 2114934 B GB2114934 B GB 2114934B GB 08302171 A GB08302171 A GB 08302171A GB 8302171 A GB8302171 A GB 8302171A GB 2114934 B GB2114934 B GB 2114934B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- magnetic recording
- tape cassette
- recording tape
- cassette
- 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
Links
Classifications
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73925—Composite or coated non-esterified substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
- G11B5/73931—Two or more layers, at least one layer being polyester
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/107—Ceramic
- B32B2264/108—Carbon, e.g. graphite particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2429/00—Carriers for sound or information
- B32B2429/02—Records or discs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Magnetic Record Carriers (AREA)
- Adhesive Tapes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982024503U JPS58127464U (en) | 1982-02-23 | 1982-02-23 | Sheet for magnetic tape cassettes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8302171D0 GB8302171D0 (en) | 1983-03-02 |
GB2114934A GB2114934A (en) | 1983-09-01 |
GB2114934B true GB2114934B (en) | 1985-06-12 |
Family
ID=12139991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08302171A Expired GB2114934B (en) | 1982-02-23 | 1983-01-26 | Sheet for use in a magnetic recording tape cassette |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS58127464U (en) |
DE (1) | DE3306089A1 (en) |
GB (1) | GB2114934B (en) |
NL (1) | NL8300248A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8401561U1 (en) * | 1984-01-20 | 1984-05-03 | Basf Ag, 6700 Ludwigshafen | TAPE CASSETTE, ESPECIALLY MAGNETIC TAPE CASSETTE AND INSERT FILM DAFUER |
DE8415333U1 (en) * | 1984-05-19 | 1984-11-22 | Basf Ag, 6700 Ludwigshafen | MAGNETIC TAPE CASSETTE, IN PARTICULAR COMPACT CASSETTE |
US5371171A (en) * | 1993-03-05 | 1994-12-06 | Baylor University | Poly(methylene oxalate) and precursors thereto |
US5561212A (en) * | 1993-03-05 | 1996-10-01 | Baylor University | Poly(methylene oxalate), a new composition of matter |
US5451643A (en) * | 1993-03-05 | 1995-09-19 | Baylor University | Poly(alkylene dicarboxylates) and synthesis thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS537115Y2 (en) * | 1973-05-22 | 1978-02-22 |
-
1982
- 1982-02-23 JP JP1982024503U patent/JPS58127464U/en active Pending
-
1983
- 1983-01-25 NL NL8300248A patent/NL8300248A/en not_active Application Discontinuation
- 1983-01-26 GB GB08302171A patent/GB2114934B/en not_active Expired
- 1983-02-22 DE DE19833306089 patent/DE3306089A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2114934A (en) | 1983-09-01 |
GB8302171D0 (en) | 1983-03-02 |
DE3306089A1 (en) | 1983-09-01 |
NL8300248A (en) | 1983-09-16 |
JPS58127464U (en) | 1983-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950126 |