Method and apparatus for performing alignment using reference board
US8934081B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Feb 28, 2011 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Dec 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/0269
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An alignment method for the of patterning a work piece in a direct write machine, wherein a reference board provided with board reference features is used to coordinate calibration of a measurement station and a writing station against a common reference. An adjusted pattern is for writing on the work piece is calculated relative to the position of the reference board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.