| Patent Number |
Title Of Patent |
Date Issued |
| 6661875 |
Catheter tip x-ray source |
December 9, 2003 |
| The present invention provides a catheter having an x-ray generator unit at its tip which generates x-ray radiation having a wavelength in a range effective for treating biological tissue. In one embodiment, the x-ray generator unit includes a miniature x-ray generator and a miniature |
| 5231073 |
Microwave/far infrared cavities and waveguides using high temperature superconductors |
July 27, 1993 |
| The structures for confining or guiding high frequency electromagnetic radiation have surfaces facing the radiation constructed of high temperature superconducting materials, that is, materials having critical temperatures greater than approximately 35.degree. K. The use of high temp |
| 5052339 |
Radio frequency plasma enhanced chemical vapor deposition process and reactor |
October 1, 1991 |
| An improved capacitively coupled radio frequency-plasma enhanced chemical vapor deposition (PECVD) apparatus and process are disclosed for depositing a uniform coating of material on substrates. The apparatus includes a secondary electrode defining a reaction zone within an outer cha |
| 4918049 |
Microwave/far infrared cavities and waveguides using high temperature superconductors |
April 17, 1990 |
| The structures for confining or guiding high frequency electromagnetic radiation have surfaces facing the radiation constructed of high temperature superconducting materials, that is, materials having critical temperatures greater than approximately 35.degree.K. The use of high tempe |
| 4743308 |
Corrosion inhibition of metal alloys |
May 10, 1988 |
| A metal alloy with a treated surface and the process of effecting the treated surface are disclosed whereby its ion release under static, stress and crevice corrosion and corrosive wear conditions is reduced. The metal alloy preferably is an ASTM F-75 Co-Cr-Mo alloy. The preferred proces |
| 4604292 |
X-ray mask blank process |
August 5, 1986 |
| An improved process, optimizing quality and growth rate with independent control of residual stress, is disclosed for the growing of membranes for use as X-ray lithography mask blanks. The process comprises providing a mounting fixture and a low-cost substrate material thereon, cooling t |
