Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1995-04-21
1997-01-21
Le, Hoa T.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428336, 428480, B32B 516
Patent
active
055958192
ABSTRACT:
Polyester film is disclosed having a thickness not greater than six microns with cubic calcium carbonate incorporated therein resulting in a Kt.sup.-0.5 of at least 21, where K is a stack stiffness constant and t is film thickness in microns. The film exhibits excellent slittability and winding performance, providing film rolls of uniform hardness with sufficient compressive strength to avoid film buckling. The film can be employed in capacitors, digital stencils and thermal transfer media.
REFERENCES:
patent: 5427730 (1995-06-01), Son et al.
Anderson Virgil L.
Feyder Gusty
Forrest, Jr. Albert W.
Vanderdonckt Cathy
Young Patrick H.
E. I. Du Pont de Nemours and Company
Le Hoa T.
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