Fabrication of sandwiched construction media
AssigneeImation Corp.
InventorsJathan D. Edwards, Frank E. Aspen, Ramon F. Hegel, Chad R. Sandstrom
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Abstract
In one embodiment, holographic data storage medium includes a first thermoplastic substrate portion having a thickness less than approximately 2 millimeters and a second thermoplastic substrate portion having a thickness less than approximately 2 millimeters. A holographic recording material may be sandwiched between the first and second thermoplastic substrate portions. By making thermoplastic substrate portions sufficiently thin, edge wedge problems can be avoided.
Claims22
A method of fabricating a holographic data storage medium comprising:
- injection molding a first substrate portion and a second substrate portion;
- depositing a photopolymer between the first and second substrate portions;
- forcing the first substrate portion onto an upper reference plane of a holographic data storage medium fabrication system;
- forcing the second substrate portion onto a lower reference plane of the holographic data storage medium fabrication system;
- and
- curing the photopolymer.
A method of creating a data storage medium comprising:
- mechanically pre-calibrating an upper reference plane and a lower reference plane of a holographic data storage medium fabrication system;
- forcing the first substrate portion onto the upper reference plane of the holographic data storage medium fabrication system;
- forcing the second substrate portion onto a lower reference plane of the holographic data storage medium fabrication system;
- depositing a polymer between first and second substrate portions;
- and
- curing the polymer.
A method of creating a sandwiched construction holographic medium comprising:
- injection molding a first substrate portion and a second substrate portion;
- applying an anti-reflective coating on one or both of the substrate portions;
- depositing a photopolymer between the first and second substrate portions to force the first and second substrate portions onto an upper and lower reference planes respectively;
- and
- curing the photopolymer.
A method of fabricating a medium comprising:
- injection molding a first substrate portion and a second substrate portion;
- forcing the first substrate portion onto an upper reference plane of a holagraphic data storage medium fabrication systems;
- forcing the second substrate portion onto a lower reference plane of the holographic data storage medium fabrication system;
- depositing a polymer between the first and second substrate portions;
- and
- curing the polymer.
Dependencies are inferred from the claim text.