Page 170 - PCMI Journal December 2020
P. 170
PCM Educational Session for Colleges and New Staff Presented by: David M. Allen, Emeritus Professor of Microengineering, Cranfield University, UK
11/23/20
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The engineering drawing is digitised to produce data streams that can be utilised to produce either:
• a conventional high resolution phototool via a photoplotter or
• instructions to drive a laser to expose photoresist –coated metal directly (known as Laser Direct Imaging or LDI)
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Issue 136 December 2020 PCMI Journal 170
