| Job Title |
Etched-circuit Processor |
| Job Description |
Performs Any Combination Of Following Tasks To Print And Etch
Conductive Patterns On Copper-faced Plastic, Fiberglass, Or
Epoxy Board To Fabricate Printed Circuit Boards (pcb's): Cuts
Board To Designated Size, Using Sheet Metal Shears, Following
Written Or Verbal Instructions. Sands Board And Either Places
Board In Vapor Degreaser Or Immerses Board In Chemical Solution
To Clean And Remove Oxides And Other Contaminants. Sprays Or
Brushes Light-sensitive Enamel On Copper Surface And Places
Board In Whirler Machine To Spread Enamel Evenly, Or Tends
Machine That Flows Light-sensitive Resist Over Board. Laminates
Light-sensitive Dry Film To Board, Using Heat And Pressure
Equipment. Exposes Board And Circuit Negative To Light In
Contact Printer For Specified Period Of Time To Transfer Image
Of Circuit To Board. Immerses Exposed Board In Solution To
Develop Acid-resistant Circuit Pattern On Surface. Compares
Board To Sample To Verify Development Of Pattern. Applies Acid
Resist Over Sections Of Pattern Not Developed, Using Brush.
Immerses Board In Acid Or Tends Etching Machine To Etch
Conductive Pattern On Copper Surface. Immerses Board In Solution
To Dissolve Enamel. Drills Holes In Board, Using Drill Press,
Following Work Sample, Drawing, And Diagrams. Installs Hardware,
Such As Brackets, Eyelets, And Terminals, Using Eyelet Machine
And Hand Arbors. Reduces Circuit Artwork Prior To Printing Onto
Board, Using Reduction Camera. Prints Conductive Pattern Onto
Board, Using Silk Screen Printing Device. Fabricates Pcb Used As
Prototype Of Production Model.
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