Rasterization system utilizing an overlay of bit-mapped low address resolution databases
First Claim
Patent Images
1. A method for producing a high address resolution printed pattern from a high address resolution database, comprising the steps of:
- producing a plurality of low address resolution databases based on said high address resolution database, said plurality of low address resolution database comprising a plurality of overlay patterns corresponding to said high address resolution printed pattern;
producing a plurality of low address resolution patterns from said low address resolution databases; and
printing each of said low address resolution patterns overlayed on each other, said printing step comprising the steps of printing a first set of low address resolution patterns utilizing a first plurality of pixels; and
printing a second set of said low address resolution patterns utilizing a second plurality of pixels, said second plurality of pixels offset and centered from said first plurality of pixels.
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Abstract
A method and apparatus for providing improved address resolution in a rasterization system. The rasterization system of the present invention comprises a pattern database, a pattern delivery computer, a rasterizer and a radiant energy system in which a plurality of logical passes are made across a substrate to produce photolithographically formed patterns. The plurality of passes use a combination of offset printing techniques and application of energy to photosensitive material at a plurality of intensities to provide improved address resolution.
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Citations
23 Claims
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1. A method for producing a high address resolution printed pattern from a high address resolution database, comprising the steps of:
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producing a plurality of low address resolution databases based on said high address resolution database, said plurality of low address resolution database comprising a plurality of overlay patterns corresponding to said high address resolution printed pattern; producing a plurality of low address resolution patterns from said low address resolution databases; and printing each of said low address resolution patterns overlayed on each other, said printing step comprising the steps of printing a first set of low address resolution patterns utilizing a first plurality of pixels; and printing a second set of said low address resolution patterns utilizing a second plurality of pixels, said second plurality of pixels offset and centered from said first plurality of pixels. - View Dependent Claims (2, 3, 4, 5, 6)
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7. In a system for producing a rasterized pattern from data representing geometric objects, said system comprising a high address resolution database representing a geometry to be printed and a low address resolution printing system, a method comprising the steps of:
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producing a plurality of low address resolution databases having a format compatible with said low address resolution printing system, said plurality of said low address resolution databases representing a plurality of overlay patterns corresponding to said geometry; and producing a plurality of bit mapped low address resolution databases for input to a radiant energy system said radiant energy system accepting said plurality bit mapped low address resolution databases and producing a plurality of overlay patterns on a substrate in response to said bit mapped low address resolution database said step of producing a plurality of overlay patterns on a substrate comprising the steps of; printing a first of said overlay patterns utilizing a first plurality of pixels; and printing a second of said overlay patterns utilizing a second plurality of pixels, said second plurality of pixels offset and centered from said first plurality of pixels. - View Dependent Claims (8, 9, 10, 11, 12)
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13. In an apparatus for generating a rasterized pattern representing a geometric object, said apparatus comprising a high address resolution database and a low address resolution printing system, a method of generating said rasterized pattern comprising the steps of:
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exposing a substrate to a light source at a first set of pixel locations during a first logical pass of said light source, said light source producing radiant energy at a first dosage; exposing said substrate to a light source at said first set of pixel locations during a second logical pass of said light source producing radiant energy at a second dosage. - View Dependent Claims (14, 15, 16)
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17. A method for producing a high address resolution printed pattern from a high address resolution database, said high address resolution database comprising a first X-coordinate of said pattern, a first Y-coordinate of said pattern, a first height dimension of said pattern and a first width dimension of said pattern comprising the steps of:
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(A) producing a plurality of low address resolution databases based on said high address resolution database, said plurality of low address resolution databases comprising a plurality of overlay patterns corresponding to said high address resolution printed pattern; (B) producing a plurality of low address resolution patterns from said low address resolution databases said plurality of low address resolution databases generated by a method comprising the steps of; for each of said plurality of low address resolution databases; (1) accepting as input said first X-coordinate, said first Y-coordinate, said first height dimension and said fist width dimension; (2) computing a second X-coordinate based on said first X-coordinate and a first predetermined value; (3) computing a second Y-coordinate dimension based on said first Y-coordinate and a second predetermined value; (4) computing a second height dimension based on said first height dimension, said first Y-coordinate and a third predetermined value; (5) computing a second width dimension based on said first width dimension, said first X-coordinate and a fourth predetermined value; (C) printing each of said low address resolution patterns overlayed on each other.
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18. A method for producing a high address resolution printed pattern from a high address solution database, comprising the steps of:
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producing a plurality of low address resolution databases based on said high address resolution database, said plurality of low address resolution databases comprising a plurality of overlay patterns corresponding to said high address resolution printed pattern; producing a plurality of low address resolution patterns from said low address resolution databases; printing each of said low address resolution pattern overlayed on each other, said printing process comprising the steps of; (a) printing a first of said plurality of low address resolution printed patterns on a substrate utilizing an energy source, said energy source producing radiant energy at a first dosage; (b) printing a second of said plurality of low address resolution printed patterns on a substrate utilizing an energy source, said energy source producing radiant energy at a second dosage. - View Dependent Claims (19, 22)
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20. In a system for producing a rasterized pattern from data representing geometric objects, said system comprising a high address resolution database representing a geometry to be printed and a low address resolution printing system, a method comprising the steps of:
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producing a plurality of low address resolution databases having a format compatible with said low address resolution printing system, said plurality of said low address resolution databases representing a plurality of overlay patterns corresponding to said geometry; and producing a plurality of bit mapped low address resolution databases for input to a radiant system, said radiant energy system accepting said plurality of bit mapped low address resolution databases and producing a plurality of overlay patterns on a substrate in response to said bit mapped low address resolution databases, said process of producing a plurality of overlay patterns on a substrate comprising the steps of; printing a first of said overlay patterns on said substrate utilizing an energy source, said energy producing radiant energy at first dosage; printing a second of said overlay patterns of said substrate utilizing an energy source, said energy source producing radiant energy at a second dosage. - View Dependent Claims (21)
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23. In a system for producing a rasterized pattern from data representing geometric objects, said system comprising a high address resolution database representing a geometry to be printed and a low address resolution printing system, a method comprising the steps of:
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producing a plurality of low address resolution on databases having a format compatible with said low address resolution printing system, said plurality of said low address resolution databases representing a plurality of overlay patterns corresponding to said geometry; and producing a plurality of overlay patterns on a substrate in response to said low address resolution printing system accepting said plurality of bit mapped low address resolution databases, said step of producing a plurality of overlay patterns on a substrate comprising the steps of; printing a first of said overlay patterns utilizing a first printing a second of said overlay patterns utilizing a second plurality of pixels, said second plurality of pixels offset and centered from said first plurality of pixels.
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Specification