Understanding The Surface Finish by Circuitronix Quiz
14 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a disadvantage of the carbon ink surface finish?

  • Has a short shelf-life
  • Requires extra care and different cleaning steps (correct)
  • Requires special handling
  • Not suitable for flat surfaces
  • What is one of the advantages of the lead-free surface finish mentioned in the text?

  • Easy to rework (correct)
  • Involves a complex process
  • Works well for PTH
  • Difficult to rework
  • In what applications can carbon ink surface finish be used?

  • Electrical power generation
  • Pipelines and plumbing systems
  • Textile manufacturing
  • RF Shielding and keypads (correct)
  • What key factor is essential in carbon ink PCB production?

    <p>Controlling the printing, baking, and resistance</p> Signup and view all the answers

    Why is the carbon ink surface finish considered a cost-effective alternative to hard gold finish?

    <p>Being more robust compared to other finishes</p> Signup and view all the answers

    What makes handling the lead-free surface finish a challenge?

    <p>The requirement for special care</p> Signup and view all the answers

    Which application is NOT mentioned as suitable for the carbon ink surface finish?

    <p>Textile manufacturing equipment</p> Signup and view all the answers

    Which surface finish mentioned is suitable for flat surface requirements and fine-pitch components?

    <p>Immersion tin</p> Signup and view all the answers

    What is a common issue associated with immersion tin after about six months?

    <p>Tin whiskering defect</p> Signup and view all the answers

    Which surface finish is known for its stability and long shelf-life of around 12 months?

    <p>Carbon ink</p> Signup and view all the answers

    What is a key disadvantage of the organic solderability preservative surface finish?

    <p>Handling challenges</p> Signup and view all the answers

    Which type of vias is unsuitable for the carbon ink surface finish according to the text?

    <p>Micro vias with aspect ratios of 1:1</p> Signup and view all the answers

    What makes immersion tin an ideal choice for RoHS-compliant surface finish?

    <p>Lead content in the finish</p> Signup and view all the answers

    What surface finish is susceptible to silver whiskering, according to the text?

    <p>Carbon ink</p> Signup and view all the answers

    More Like This

    Shelf Life of Bare PCBs Quiz
    14 questions

    Shelf Life of Bare PCBs Quiz

    GlimmeringCarnelian5022 avatar
    GlimmeringCarnelian5022
    Secondary and Finishing Operations
    28 questions
    Surface Danger Zones Flashcards
    79 questions
    Use Quizgecko on...
    Browser
    Browser