Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Domain | Definition |
Occupations | Prints circuit image on photoresist film-laminated panels for use in fabricating printed circuit boards (PCB's), using contact printer: Aligns (registers) one or more circuit negative films with film-laminated circuit board panel in drawer of contact printer vacuum frame. Activates printer controls to create vacuum and secure negative film against circuit board panel. Activates printer to expose negative and panel film to ultraviolet light and transfer circuit image onto panel film. Lifts drawer cover and removes PCB panel and negative. May measure light intensity of contact printer, using exposure meter, tapes, or radiometer, and adjust exposure time according to specifications. May secure negative and panel in vacuum frame, using jig or tape. May examine printed panels for defects in printed circuit. May feed circuit board panels into machine that develops exposed circuit pattern on panels. May tend equipment that laminates photoresist film to circuit board panels. May print circuit pattern on dry photoresist film for use in manufacturing double-sided and flexible PCB's and be designated Contact Printer, Dry Film (electron. comp.). (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)45 58 50 4F 53 55 52 45 4D 41 43 48 49 4E 45 4F 50 45 52 41 54 4F 52 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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Binary Code (1918-1938, probably earlier) (references)01000101 01011000 01010000 01001111 01010011 01010101 01010010 01000101 00100000 01001101 01000001 01000011 01001000 01001001 01001110 01000101 00100000 01001111 01010000 01000101 01010010 01000001 01010100 01001111 01010010 |
HTML Code (1990) (references)E X P O S U R E   M A C H I N E   O P E R A T O R |
ISO 10646 (1991-1993) (references)0045 0058 0050 004F 0053 0055 0052 0045 004D 0041 0043 0048 0049 004E 0045 004F 0050 0045 0052 0041 0054 004F 0052 |
Encryption (beginner's substitution cypher): (references)395850495355523924735374243483924950395235544952 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
