Method and system for exposing a photoresist in a magnetic device
US8169473B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2008 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Oct 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/70425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method and system for exposing a plurality of fields on a substrate. The substrate has a center and an edge. The fields include a plurality of rows. The method and system include determining an exposure sequence for the plurality of fields. Each of the plurality of fields has a distance from the center and a placement in the exposure sequence. The placement of a field in the exposure sequence is based on the distance and excludes placing each of the plurality of fields in a row of the plurality of rows next to an adjacent field in the row in combination with placing each of the plurality of rows next to an adjacent row. The method and system also include exposing the plurality of fields in the exposure sequence in order of the placement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.