http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2008246681-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_129e393582e6bdf4029baf2206522f45 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B27-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-73 |
| filingDate | 2007-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8e8e19a9e3ce801dd63abb0d029a3a0f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ba809730182a22634256066b64e6ada5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c6b1d431fbcc5b9b0ac7cfeb2cdfa6d0 |
| publicationDate | 2008-10-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2008246681-A |
| titleOfInvention | Laminated polyester film roll for magnetic recording media |
| abstract | PROBLEM TO BE SOLVED: To provide a laminated polyester film roll excellent in magnetic tape characteristics when used as a base for a vapor-deposited magnetic recording medium and good workability to the vapor-deposited magnetic recording medium. SOLUTION: A laminated polyester film having a layer structure of at least two layers is wound around a cylindrical core, and a center line average surface roughness Ra A of a layer (A layer) constituting one surface of the laminated polyester film is obtained. The ratio Ra A / Ra B to the centerline average surface roughness Ra B of the layer constituting the other surface (B layer) is 0.05 to 0.7, and the surface layer wrinkles of the film roll surface layer portion are as follows: The laminated polyester film roll for a magnetic recording medium satisfies (1) to (4). (1) The total width of the surface wrinkles is 0.5 to 15% of the film width (2) Generation length of surface wrinkles is 30 to 500 m from the surface of the film roll (3) The height of the surface wrinkles per piece is 0.05 to 3 mm. (4) The number of surface wrinkles in the width direction is 1 to 10 / 1,000 mm [Selection] Figure 1 |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110023083-A |
| priorityDate | 2007-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 58.