US Patent No: 5,888,594
Number of patents in Portfolio can not be more than 2000
Process for depositing a carbon-rich coating on a moving substrate
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Mar 30, 1999
Issued date -
Nov 5, 1996
filing date -
08/744,227
serial no -
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Abstract
A process and apparatus for deposition of a carbon-rich coating onto a moving substrate is provided. The process and apparatus involve the creation of an electric field surrounding a rotatable electrode in a carbon-containing gaseous environment. This results in carbon-rich plasma formation, wherein the electrode is negatively biased with respect to the electrode which results in ion acceleration from the plasma toward the electrode. Ion bombardment continuously occurs on a substrate in contact with the electrode producing a continuous carbon-rich coating over the length of the substrate.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,645,977 Plasma CVD apparatus and method for forming a diamond like carbon film | 87 | 1985 | |
| 5,203,924 Method of and apparatus for synthesizing diamondlike thin film | 22 | 1990 | |
| 5,182,132 Magnetic recording medium and method for making it | 41 | 1990 | |
| 5,360,483 Plasma CVD apparatus and method therefor | 12 | 1993 | |
| 5,443,888 Magnetic recording medium having a carbon protective layer and partially fluorinated alkyl carboxylic acid lubricant layer | 13 | 1993 | |
| 5,496,595 Method for forming film by plasma CVD | 4 | 1994 | |
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| 5,232,791 Magnetic recording medium having a carbon rich coating | 14 | 1991 | |
| 5,227,008 Method for making flexible circuits | 45 | 1992 | |
| 5,286,534 Process for plasma deposition of a carbon rich coating | 15 | 1993 | |
| 5,464,667 Jet plasma process and apparatus | 58 | 1994 | |
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| 4,663,640 Recording head | 35 | 1985 | |
| 4,847,639 Liquid jet recording head and recording system incorporating the same | 43 | 1988 | |
| 5,443,687 Method for manufacturing an ink jet head having an improved discharging port surface | 14 | 1992 | |
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| 4,865,711 Surface treatment of polymers | 12 | 1988 | |
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| 5,695,832 Method of forming a hard-carbon-film-coated substrate | 9 | 1995 | |
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| 4,479,982 Method for producing a lyophobic layer | 26 | 1983 | |
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| 4,890,126 Printing head for ink jet printer | 39 | 1989 | |
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| 5,094,878 Process for forming diamond film | 22 | 1990 | |
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| 5,073,785 Coating processes for an ink jet printhead | 44 | 1990 | |