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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7205665 | Porous silicon undercut etching deterrent masks and related methods The disclosed invention relates to masked silicon structures and methods for making porous silicon in selected areas of a silicon substrate via anodic etching. The masked silicon structures comprise: (1) a frontside barrier layer; and (2) a backside opaque ohmic con... | 04/17/2007 |
| 7198864 | Silicon-based fuel cell electrode structures Fuels cells, electrode assemblies, and electrodes that comprise silicon and/or sol-gel derived support structures, as well as to methods relating thereto, are disclosed herein. In one embodiment, the invention is directed to an electrode assembly adapted for use wit... | 04/03/2007 |
| 6641948 | Fuel cells having silicon substrates and/or sol-gel derived support structures Fuels cells, electrode assemblies, and electrodes that comprise silicon and/or sol-gel derived support structures, as well as to methods relating thereto, are disclosed herein. In one embodiment, the invention is directed to an electrode assembly adapted ... | 11/04/2003 |
