Understanding The Surface Finish by Circuitronix Quiz

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?

Controlling the printing, baking, and resistance Signup and view all the answers

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

Being more robust compared to other finishes Signup and view all the answers

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

The requirement for special care Signup and view all the answers

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

Textile manufacturing equipment Signup and view all the answers

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

Immersion tin Signup and view all the answers

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

Tin whiskering defect Signup and view all the answers

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

Carbon ink Signup and view all the answers

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

Handling challenges Signup and view all the answers

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

Micro vias with aspect ratios of 1:1 Signup and view all the answers

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

Lead content in the finish Signup and view all the answers

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