Monolithic integrated passive and active electronic devices with biocompatible coatings
First Claim
1. A bio-compatible electrical element including one or more of high-dielectric polycrystalline BaSrxTi1-xO3 (BST), Sr B2 Ta2 O9 or an amorphous TixAl1-xOy oxide alloy wherein a TiO2 layer is between said bio-compatible electrical element and a biological environment.
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Abstract
A bio-compatible electrical element including a high-dielectric amorphous TixAl1-xOy oxide alloy wherein a TiO2 layer is between the bio-compatible electrical element and a biological such as human environment. A continuous and substantially pinhole free dielectric amorphous TixAl1-xOy oxide alloy wherein x is in the range of from about 0.5 to about 0.7 and y is in the range of about 2 to about 3 and having a TiO2 layer exterior thereto formed into a passive element such as a capacitor or an active element such as a microchip is disclosed.
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Citations
18 Claims
- 1. A bio-compatible electrical element including one or more of high-dielectric polycrystalline BaSrxTi1-xO3 (BST), Sr B2 Ta2 O9 or an amorphous TixAl1-xOy oxide alloy wherein a TiO2 layer is between said bio-compatible electrical element and a biological environment.
- 9. A bio-compatible electrical element including a continuous and substantially pinhole free dielectric amorphous TixAl1-xOy oxide alloy wherein x is in the range of from about 0.5 to about 0.7 and y is in the range of about 2 to about 3 and having a TiO2 layer exterior thereto between said bio-compatible electrical element and a biological environment.
- 11. A bio-compatible electrical capacitor including a high-dielectric amorphous TixAl1-xOy layer with a TiO2 layer between said bio-compatible electrical capacitor and a biological environment.
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15. The bio-compatible electrical capacitor of claim 15, wherein the capacitor contains a high dielectric material of BST and/or SrBi2Ta2O9.
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18. A biocompatible thin film battery comprising electrodes containing Cu or a CuSn alloy and lithium or a lithium containing material separated by a solid electrolyte encapsulated or separated from a biological environment by TiO2 or a biologically compatible high dielectrical material such as an amorphous TixAl1-xOy oxide alloy or a combination thereof.
Specification