1. A card-shaped memory device comprising:
a substrate; and
first to third chips stacked together on a first surface of the substrate, the first chip having a control function, the second chip having a memory function, the third chip having an IC card function,
wherein the third chip is located in a position other than a lowest one of positions of the first to third chips.
2. The device according to claim 1, wherein:
the first chip receives a command from an external device, and performs processing in accordance with the command;
the second chip is connected to the first chip, and stores data; and
the third chip is connected to the first chip, and processes security data.
3. The device according to claim 1, further comprising a connector which includes a command terminal, a data terminal and an antenna terminal, the command terminal and the data terminal being connected to the first chip, the antenna terminal being connected to the third chip.
4. The device according to claim 3, further comprising a plurality of test pads which are connected to the first to third chips, respectively.
5. The device according to claim 4, wherein the connector and the test pads are formed at a second surface of the substrate.
6. A card-shaped memory device comprising:
a substrate;
a first chip provided on the substrate, and having a memory function;
a second chip provided above the first chip, and having an IC card function; and
a third chip provided above the first chip, and having a control function.
7. The device according to claim 6, wherein:
the third chip receives a command from an external device, and performs processing in accordance with the command;
the first chip is connected to the third chip, and stores data; and
the second chip is connected to the third chip, and processes security data.
8. The device according to claim 6, further comprising a connector which includes a command terminal, a data terminal and an antennal terminal, the command terminal and the data terminal being connected to the third chip, the antenna terminal being connected to the second chip.
9. The device according to claim 8, further comprising a plurality of test pads which are connected to the first to third chips, respectively.
10. The device according to claim 9, wherein the first to third chips are formed on a first surface side of the substrate, and the connector and the test pads are formed on a second surface side of the substrate.
11. A memory card system comprising:
a host device; and
a memory card connected to the host device, and comprising a substrate and first to third chips which are stacked together on a first surface of the substrate, the first chip having a control function, the second chip having a memory function, the third chip having an IC card function, the third chip being located in a position other than a lower one of positions of the first to third chips.
12. The system according to claim 11, wherein:
the first chip receives a command from an external device, and performs processing in accordance with the command;
the second chip is connected to the first chip, and stores data; and
the third chip is connected to the first chip, and processes security data.
13. The system according to claim 11, further comprising a connector which includes a command terminal, a data terminal and an antenna terminal, the command terminal and the data terminal being connected to the first chip, the antennal terminal being connected to the IC card function chip.
14. The system according to claim 13, further comprising a plurality of test pads which are connected to the first to third chips, respectively.
15. The system according to claim 14, wherein the connector and the test pads are formed at a second surface of the substrate.
16. The system according to claim 11, wherein the host device is one of a cell phone and a card-shaped adapter.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A medical device comprising (a) a substrate and (b) at least one polymeric layer comprising a copolymer disposed over said substrate, said copolymer comprising a polymer chain that comprises (i) an isobutylene monomer and (ii) at least one elevated Tg monomer, said isobutylene and elevated Tg monomers being incorporated into said chain in a random, periodic, statistical or gradient distribution.
2. The device of claim 1, wherein said isobutylene and said elevated Tg monomer are incorporated within said chain in a random distribution.
3. The device of claim 1, wherein said isobutylene and said elevated Tg monomer are incorporated within said chain in an alternating distribution.
4. The device of claim 1, wherein said isobutylene and said elevated Tg monomer are incorporated within said chain in a gradient distribution.
5. The device of claim 1, wherein said isobutylene and said elevated Tg monomer are incorporated within said chain in a statistical distribution.
6. The device of claim 1, wherein said copolymer comprises two or more of said polymer chains.
7. The device of claim 1, wherein said copolymer comprises a linear architecture.
8. The device of claim 1, wherein said copolymer comprises a branched architecture.
9. The device of claim 1, wherein said elevated Tg monomer is selected from vinyl monomers, acrylic monomers, and methacrylic monomers.
10. The device of claim 1, wherein said elevated Tg monomer is a vinyl aromatic monomer.
11. The device of claim 1, wherein said elevated Tg monomer is selected from styrene and \u03b1-methylstyrene.
12. The device of claim 1, wherein said polymeric layer is disposed over all of said substrate.
13. The device of claim 1, wherein said polymeric layer is disposed over a portion of said substrate.
14. The device of claim 1, wherein the polymeric layer further comprises a therapeutic agent.
15. The device of claim 1, wherein said polymeric layer is a release layer.
16. The device of claim 1, wherein said release layer is a carrier layer that comprises said therapeutic agent.
17. The device of claim 1, wherein said release layer is a barrier layer that is disposed over a region comprising said therapeutic agent.
18. The device of claim 1, wherein said therapeutic agent is selected from one or more of the group consisting of anti-thrombotic agents, anti-proliferative agents, anti-inflammatory agents, anti-migratory agents, agents affecting extracellular matrix production and organization, antineoplastic agents, anti-mitotic agents, anesthetic agents, anti-coagulants, vascular cell growth promoters, vascular cell growth inhibitors, cholesterol-lowering agents, vasodilating agents, and agents that interfere with endogenous vasoactive mechanisms.
19. The device of claim 1, wherein said medical device is an implantable or insertable medical device.
20. The device of claim 19, wherein said implantable or insertable medical device is selected from a catheter, a guide wire, a balloon, a filter, a stent, a stent graft, a vascular graft, a vascular patch and a shunt.
21. The device of claim 19, wherein said implantable or insertable medical device is adapted for implantation or insertion into the coronary vasculature, peripheral vascular system, esophagus, trachea, colon, biliary tract, urinary tract, prostate or brain.
22. A method of forming the medical device of claim 1, comprising: (a) providing a solution comprising (i) a solvent system and (ii) said copolymer; and (b) forming said polymeric layer from said solution by removing said solvent system from said solution.
23. The method of claim 22, wherein said solution further comprises a therapeutic agent in dissolved or dispersed form.
24. The method of claim 22, wherein said solution is applied over a region comprising a therapeutic agent.
25. A composition for delivery of a therapeutic agent comprising: (a) a copolymer comprising a polymer chain that comprises (i) isobutylene monomer and (ii) an elevated Tg monomer, said isobutylene and elevated Tg monomer being incorporated into said chain in a random, periodic, statistical or gradient distribution; and (b) a therapeutic agent, said copolymer being loaded with said therapeutic agent.
26. The composition of claim 25, wherein said elevated Tg monomer is selected from vinyl monomers, acrylic monomers, and methacrylic monomers.
27. The composition of claim 25, wherein said elevated Tg monomer comprises a vinyl aromatic monomer comprising styrene or \u03b1-methylstyrene.
28. The composition of claim 25, wherein said elevated Tg monomer comprises styrene and wherein said isobutylene monomer and elevated Tg monomer are incorporated into said polymer chain in a random distribution.