| 摘要 |
<p>PCT No. PCT/GB92/00406 Sec. 371 Date Oct. 28, 1993 Sec. 102(e) Date Oct. 28, 1993 PCT Filed Mar. 6, 1992 PCT Pub. No. WO92/16090 PCT Pub. Date Sep. 17, 1992.A method and apparatus for use in printing which includes a print table mounted on a base frame, a support secured to the print table, a vision device secured to the support which is disposed such that the vision device uses a major face of the print table, securing a substrate to the print table, mounting a screen, a device for effecting relative movement between the print table and screen mounting from a first position in which the vision device can view fiducial marks carried by the substrate to a second position in which the screen is positioned between the vision device and the substrate, in which the vision device can view fiducial marks carried by the screen to facilitate the adjustment of relative positions of the screen and substrate so that the fiducial marks on the screen and substrate are in register.</p> |
