DEVELOPER, PRINTED CIRCUIT BOARD PANELS

  

Copyright © Philip M. Parker, INSEAD. Terms of Use.

DEVELOPER, PRINTED CIRCUIT BOARD PANELS

Specialty Definition: DEVELOPER, PRINTED CIRCUIT BOARD PANELS

DomainDefinition

Occupations

Tends equipment that develops photoresist image on panels of printed circuit boards (PCB's): Mixes specified amount of chemical solution and pours chemicals into equipment developing tank. Turns valves to admit specified amount of water into equipment reservoirs. Starts equipment and monitors conveyor systems, temperature gauges, and pumps. Adjusts controls to maintain specified temperature levels and speed of conveyor. Removes plastic protective film from upper and lower surfaces of photoresist laminated PCB panels. Places panels on conveyor that feeds panels into equipment that automatically develops photoresist circuit image on exposed photoresist film, dissolves unexposed photoresist film, and rinses and dries panels. Removes panels from conveyor and visually examines panels to detect development processing defects. Notifies supervisor of defective panels and equipment malfunctions. (references)

Source: compiled by the editor from various references; see credits.

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Alternative Orthography: DEVELOPER, PRINTED CIRCUIT BOARD PANELS


Hexadecimal (or equivalents, 770AD-1900s) (references)

44 45 56 45 4C 4F 50 45 52 2C      50 52 49 4E 54 45 44      43 49 52 43 55 49 54      42 4F 41 52 44      50 41 4E 45 4C 53

Leonardo da Vinci (1452-1519; backwards) (references)

                

Binary Code (1918-1938, probably earlier) (references)

01000100 01000101 01010110 01000101 01001100 01001111 01010000 01000101 01010010 00101100 00100000 01010000 01010010 01001001 01001110 01010100 01000101 01000100 00100000 01000011 01001001 01010010 01000011 01010101 01001001 01010100 00100000 01000010 01001111 01000001 01010010 01000100 00100000 01010000 01000001 01001110 01000101 01001100 01010011

HTML Code (1990) (references)

&#68 &#69 &#86 &#69 &#76 &#79 &#80 &#69 &#82 &#44 &#32 &#80 &#82 &#73 &#78 &#84 &#69 &#68 &#32 &#67 &#73 &#82 &#67 &#85 &#73 &#84 &#32 &#66 &#79 &#65 &#82 &#68 &#32 &#80 &#65 &#78 &#69 &#76 &#83

ISO 10646 (1991-1993) (references)

0044 0045 0056 0045 004C 004F 0050 0045 0052 002C      0050 0052 0049 004E 0054 0045 0044      0043 0049 0052 0043 0055 0049 0054      0042 004F 0041 0052 0044      0050 0041 004E 0045 004C 0053

Encryption (beginner's substitution cypher): (references)

38395639464950395214250524348543938237435237554354236493552382503548394653

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INDEX

1. Orthography
2. Bibliography


  

Copyright © Philip M. Parker, INSEAD. Terms of Use.