Multilayer structures having annular profiles and methods and apparatus of making same
Disclosed are multilayer film structures having annular profiles, and methods and apparatus of making the structures disclosed. The annular multilayer articles have a uniform thickness, at least four layers and comprise overlapped and non-overlapped circumferential areas; wherein the layer structure...
Saved in:
Main Authors | , , , , , |
---|---|
Format | Patent |
Language | Chinese English |
Published |
09.04.2014
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Be the first to leave a comment!