GB1375670A - - Google Patents

Info

Publication number
GB1375670A
GB1375670A GB212474A GB212474A GB1375670A GB 1375670 A GB1375670 A GB 1375670A GB 212474 A GB212474 A GB 212474A GB 212474 A GB212474 A GB 212474A GB 1375670 A GB1375670 A GB 1375670A
Authority
GB
United Kingdom
Prior art keywords
polymer
layer
discrete particles
polyethylene
june
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
Application number
GB212474A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1375670A publication Critical patent/GB1375670A/en
Expired legal-status Critical Current

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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73931—Two or more layers, at least one layer being polyester

Landscapes

  • Laminated Bodies (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
GB212474A 1971-06-21 1972-06-20 Expired GB1375670A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15535371A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
GB1375670A true GB1375670A (it) 1974-11-27

Family

ID=22555101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB212474A Expired GB1375670A (it) 1971-06-21 1972-06-20

Country Status (3)

Country Link
BR (1) BR7204004D0 (it)
GB (1) GB1375670A (it)
SU (1) SU568401A3 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118193A (en) * 1982-03-26 1983-10-26 Anic Spa Polycarbonate-based thermoplastic polymer blends

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118193A (en) * 1982-03-26 1983-10-26 Anic Spa Polycarbonate-based thermoplastic polymer blends

Also Published As

Publication number Publication date
SU568401A3 (ru) 1977-08-05
BR7204004D0 (pt) 1973-06-14

Similar Documents

Publication Publication Date Title
GB1375669A (it)
DE3572682D1 (en) Polymeric films
AU6447174A (en) A composite film comprising biaxially oriented polyethylene terephthalate having a matte or embossed surface
GB1451157A (en) Multilayer thermoplastic film
GB1515134A (en) Packages and methods of forming the same
IE782394L (en) Peelable bonded structure
GB1465496A (en) Coated films
GB1320779A (en) Magnetic coating formulation for recording tape
GB1263991A (en) Magnetic recording document having validating means
CA973291A (en) Abrasion resistant coating composition of an acrylic polymer, a polyester and a thermosetting constituent
GB1537260A (en) Polyester films
GB1380024A (en) Corrugated polymeric film
GB1173778A (en) Resinous Composite Film
GB1375670A (it)
GB1359891A (en) Preparation of filled thermoplastic films
GB1348247A (en) Coated fabrics of thermoplastics materials
GB1522882A (en) Polyester films
GB1420990A (en) Holographic records
ES2092952A1 (es) Lamina multicapa, autoadhesiva, de proteccion superficial, compuesta por poliolefina.
GB1504293A (en) Method of forming magnetic media
GB1110668A (en) Polyolefin-metal laminates
ES8401513A1 (es) Una cinta adhesiva.
GB1434521A (en) Carriers for magnetic recording tapes
GB1265754A (it)
GB1248296A (en) Vesicular-image-forming element

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee