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Electrical Workshop Module 5: PCB Fabrication (2- weeks)

Institute Of Applied Technology ATE 1012 Grade 10. Electrical Workshop Module 5: PCB Fabrication (2- weeks). Module Objectives. Learners who successfully complete this module will: be familiar with the meaning of PCB be familiar with the basic functions of a PCB.

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Electrical Workshop Module 5: PCB Fabrication (2- weeks)

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  1. Institute Of Applied Technology ATE 1012 Grade 10 Electrical Workshop Module 5: PCB Fabrication(2-weeks) Eng. Rose Hasan

  2. Module Objectives • Learners who successfully complete this module will: • be familiar with the meaning of PCB • be familiar with the basic functions of a PCB. • be familiar with the PCB fabrication steps. • be capable of using Tina PCB Design software to produce the • artwork and a layout for a simple circuit diagram. • be capable of developing the PCB for a simple circuit. Eng. Rose Hasan

  3. Module Contents Eng. Rose Hasan

  4. 5.1 Introduction to PCB • PCB stands for Printed Circuit Board. • PCBs are used in many applications such as radios, televisions, mobile phones…….etc Eng. Rose Hasan

  5. Basic functions of a PCB The basic functions of a printed circuit board are: • To provide electrical connectionbetween the points those need to be interconnected; • To provide insulation between the tracks and other points that need to be isolated; • To provide necessary mechanical supportto the components mounted on the board; • To reduce sizeand cost, provide better performance and reliability. Eng. Rose Hasan

  6. Basic functions of a PCB http://www.youtube.com/watch?v=gb5iDxTIk2k&feature=related Eng. Rose Hasan

  7. 5.2 PCB Fabrication Steps • PCB Fabrication can be divided into six stages: Eng. Rose Hasan

  8. Practical Task: Preparing a PCB for a simple circuit • Prepare a PCB for the circuit shown below: • Step 1: Artwork preparation using Tina software: Schematic Diagram Eng. Rose Hasan

  9. TINA Screen Eng. Rose Hasan

  10. Components Footprints Eng. Rose Hasan

  11. 5.2 PCB Fabrication Steps Pre-coated photoresistfibreglass board Artwok Eng. Rose Hasan

  12. UV Exposure Unit The UV-exposure unit is used to expose the laminate to ultra violet light through the artwork. Eng. Rose Hasan

  13. 5.2 PCB Fabrication Steps Eng. Rose Hasan

  14. 5.2 PCB Fabrication Steps Eng. Rose Hasan

  15. Mega PCB Lab Station: Eng. Rose Hasan

  16. 5.2 PCB Fabrication Steps Eng. Rose Hasan

  17. Drill Eng. Rose Hasan

  18. 5.3 PCB Development Equipment • The PCB Workshop is equipped with the following equipments:  • Mega PCB Lab Station • Exposure Unit • PCB Cutter • Drill • Edge Rounder Eng. Rose Hasan

  19. Eng. Rose Hasan

  20. How to manufacture PCBs • http://www.youtube.com/watch?v=AIIEv7N1FJE&feature=related Eng. Rose Hasan

  21. Future Plan • Be prepared for a Quiz next Class in module #6. • Do Worksheets 1 (From my Wiki). • Next Class: Start with Module #5 Eng. Rose Hasan

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