HIGH DENSITY DATA STORAGE MEDIUM, METHOD AND DEVICE

• US 20080159114A1
• Filed: 01/02/2007
• Published: 07/03/2008
• Est. Priority Date: 01/02/2007
• Status: Abandoned Application

• Current Assignee: GlobalFoundries, Inc.
• Original Assignee: GlobalFoundries, Inc.
• Inventors: DiPietro, Richard Anthony, Duerig, Urs T., Pratt, Russell Clayton, Miller, Robert Dennis, Hedrick, James Lupton, Hagberg, Erik Christopher, Frommer, Jane Elizabeth, Gotsmann, Bernd Walter, Knoll, Armin W., Magbitang, Teddie Peregrino, Wade, Charles Gordon
• Application Number:
  US11/618,940
• Publication Number:
  US 20080159114A1
• Time in Patent Office: Days
• US Class Current: 369/154
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: C08G 65/4012 Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
• CPC Class Codes: C08G 65/46 Post-polymerisation treatment, e.g. recovery, purification, drying
• CPC Class Codes: G11B 11/007 with reproducing by means directly associated with the tip of a microscopic electrical probe as defined in G11B9/14 details of heads G11B9/1409; disposition or mounting of heads G11B9/1418
• CPC Class Codes: G11B 9/1472 characterised by the form
• CPC Class Codes: G11B 9/149 characterised by the memorising material or structure

Abstract

A composition of matter for the recording medium of nanometer scale thermo-mechanical information storage devices and a nanometer scale thermo-mechanical information storage device. The composition includes: one or more polyaryletherketone copolymers, each of the one or more polyaryletherketone copolymers comprising (a) a first monomer including an aryl ether ketone and (b) a second monomer including an aryl ether ketone and a first phenylethynyl moiety, each of the one or more polyaryletherketone copolymers having two terminal ends, each terminal end having a phenylethynyl moiety the same as or different from the first phenylethynyl moiety. The one or more polyaryletherketone copolymers are thermally cured and the resulting cross-linked polyaryletherketone resin used as the recording layer in an atomic force data storage device.

Claims

1-8. -8. (canceled)

9. A method, comprising:

forming a layer of polyaryletherketone resin by applying a layer of one or more polyaryletherketone copolymers and thermally curing said layer of one or more polyaryletherketone copolymers, each of said one or more polyaryletherketone copolymers comprising (a) a first monomer including an aryl ether ketone and (b) a second monomer including an aryl ether ketone and a first phenylethynyl moiety, each of said one or more polyaryletherketone copolymers having two terminal ends, each terminal end having a phenylethynyl moiety the same as or different from said first phenylethynyl moiety,

bringing a thermal-mechanical probe heated to a temperature of greater than about 100°

C. into proximity with said layer of a polyaryletherketone resin multiple times to induce deformed regions at points in said layer of said polyaryletherketone resin, said polyaryletherketone resin said thermal mechanical probe heating said points in said layer of said resin and thereby writing information in said layer of said resin;

wherein each of said one or more polyaryletherketone copolymers are cross-linked by cyclo-addition of said first and second phenylethynyl moieties during said curing;

wherein said curing is performed at a temperature between about 300°

C. and about 400°

C.

wherein said polyaryletherketone resin has a glass transition temperature of between about 100°

C. and about 180°

C.; and

wherein each polyaryletherketone copolymer of said one or more polyaryletherketone copolymers includes;

(i) m repeat units represented by the structure R¹—

O —

R²—

O—

interspersed with n repeat units represented by the structure R³—

O—

R²—

O—

, and terminated by a first terminal group represented by the structure R⁴—

O— and

a second terminal group represented by the structure —

R¹—

O—

R⁴ or R³—

O—

R⁴, or

(ii) m repeat units represented by the structure R¹—

O—

R²—

O—

interspersed with n repeat units represented by the structure R¹—

O—

R⁵—

O—

, and terminated by a first terminal group represented by the structure R⁴—

O— and

a second terminal group represented by the structure —

R¹—

O—

R⁴, or

(iii) m repeat units represented by the structure —

R²O—

R¹—

O—

interspersed with n repeat units represented by the structure —

R²—

O—

R³—

O—

, terminated by a first terminal group represented by the structure R⁶—

O— and

a second terminal group represented by the structure —

R²—

O—

R⁶, or

(iv) m repeat units represented by the structure —

R²—

O—

R¹—

O—

interspersed with n repeat units represented by the structure —

R⁵—

O—

R¹—

O—

, a first terminal group represented by the structure R⁶—

O— and

a second terminal group represented by the structure —

R —

0—

R or —

R⁵—

O—

R⁶;

wherein O=oxygen, and occurs as a link between all R groups;

wherein R¹ is selected from the group consisting of;

10-22. -22. (canceled)