A drum for a photoplotter has a base having a partially cylindrical recess formed therein which recess being defined by in part by a plurality of elevated surfaces providing a support bed on which is mounted a sheet of material providing an exposed surface for supporting a substrate thereon. The drum is formed by a method whereby a tool is provided about which the sheet material is drawn and is moved into engagement with the bed and is caused to maintain this shape by an adhesive interposed therebetween. A method for mechanically compensating for surface irregularities by fixing the scanner relative to the support surface after displacements have been made is also provided.
申请公布号
DE4305193(A1)
申请公布日期
1993.08.26
申请号
DE19934305193
申请日期
1993.02.19
申请人
GERBER SYSTEMS CORPORATION, SOUTH WINDSOR, CONN., US
发明人
MENARD, ALAN W., BOLTON, CONN., US;PETERSEN, KENNETH R., WEST HARTFORD, CONN., US;SENIFF, DANA W., SOUTH GLASTONBURY, CONN., US