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A gasket for sealing interfaces between a micro-machined device and a macroscopic connection to the device. The gasket can include an o-ring, a frame, a tool post and a notch. Alignment of the tool post with a dimple formed in or through a surface of a component adjacent to the gasket facilitates al

A gasket for sealing interfaces between a micro-machined device and a macroscopic connection to the device. The gasket can include an o-ring, a frame, a tool post and a notch. Alignment of the tool post with a dimple formed in or through a surface of a component adjacent to the gasket facilitates alignment of the gasket. The notch and frame can also facilitate alignment of the gasket.

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1. A gasket for sealing an interface to a micro-machined device comprising: a web for placement adjacent to the micro-machined device wherein the web includes an aperture; and a first tool post protruding a first distance from a first surface of the web; and a second tool post protruding a firs

1. A gasket for sealing an interface to a micro-machined device comprising: a web for placement adjacent to the micro-machined device wherein the web includes an aperture; and a first tool post protruding a first distance from a first surface of the web; and a second tool post protruding a first distance from the first surface of the web, wherein the first distance is not equal to the second distance. 2. The gasket of claim 1, wherein the aperture comprises an o-ring. 3. The gasket of claim 2, wherein the o-ring comprises an elastomer. 4. The gasket of claim 1, further comprising a frame on a second surface of the web opposite the first surface. 5. The gasket of claim 4, wherein the frame includes a notch. 6. A gasket for creating an interface to a micro-machined device comprising: a web for placement adjacent to the micro-machined device wherein the web includes an aperture; a first tool post of a first geometry protruding from a surface of the web; a second tool post of a second geometry protruding from the surface of the web, wherein the first geometry is different from the second geometry; and a frame protruding from a first surface of the web. 7. The gasket of claim 6, further comprising a tool post protruding from a second surface of the web opposite the first surface. 8. The gasket of claim 6, wherein the web comprises a rigid material. 9. The gasket of claim 6, wherein the aperture comprises an o-ring. 10. The gasket of claim 6, wherein the frame includes a notch. 11. A micro-injector comprising: an injector die; a first o-ring gasket adjacent to a first surface of the injector die, wherein the first o-ring gasket includes: a web adjacent to the injector die; an o-ring in the web; and a tool post protruding from a surface of the web; and a heater adjacent to a second surface of the injector die. 12. The micro-injector of claim 11, further comprising a second o-ring gasket adjacent to a second surface of the injector die. 13. The micro-injector of claim 11, further comprising a dimple in the injector die to accommodate the tool post. 14. The gasket of claim 11, wherein the web comprises a rigid material. 15. The gasket of claim 11, wherein the o-ring comprises an elastomer. 16. A micro-injector comprising: an injector die; a first o-ring gasket adjacent to a first surface of the injector die, wherein the first o-ring gasket includes: a web adjacent to the injector die; an o-ring in the web; and a tool post protruding from a surface of the web; a heater adjacent to a second surface of the injector die; and a frame protruding from the web. 17. The gasket of claim 12, wherein the frame includes a notch. 18. The gasket of claim 12, wherein the frame comprises a smaller perimeter than a perimeter of the injector die. 19. A micro-injector comprising: an injector die; a first o-ring gasket adjacent to a first surface of the injector die, wherein the first o-ring gasket includes: a web adjacent to the injector die; an o-ring in the web; and a tool post protruding from surface of the web; a heater adjacent to a second surface of the injector die; a diffusion bonded plate adjacent to the first o-ring gasket; and a feature in the diffusion-bonded plate to accommodate the tool post.