Biaxially oriented polyester film for floppy disk

Details Biaxially oriented polyester film for floppy disk Biaxially oriented polyester film for floppy disk

1990-03-23

1990-10-02

Foelak, Morton

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428 64, 528272, 528298, 528302, 5283082, 2642884, 2642902, C08G 6302, C08G 6322, B32B 302

Patent

active

049606360

ABSTRACT:
A biaxially oriented polyester film for floppy disks which has an in-plane thermal expansion coefficient (.alpha..sub..gamma.) of (1.7.+-.0.8).times.10.sup.-5 /.degree.C. and a shrinkage of not more than 0.03% after 72-hour treatment under the conditions of 60.degree. C. and 80% RH, and which simultaneously satisfies the following relationships (1) to (6):

REFERENCES:
patent: 4861860 (1989-08-01), Ohishi et al.
patent: 4866158 (1989-09-01), Kubo et al.

Affiliated with

Also associated with

Rating

Biaxially oriented polyester film for floppy disk does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Biaxially oriented polyester film for floppy disk, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Biaxially oriented polyester film for floppy disk will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-291553