14 Questions
What is a disadvantage of the carbon ink surface finish?
Requires extra care and different cleaning steps
What is one of the advantages of the lead-free surface finish mentioned in the text?
Easy to rework
In what applications can carbon ink surface finish be used?
RF Shielding and keypads
What key factor is essential in carbon ink PCB production?
Controlling the printing, baking, and resistance
Why is the carbon ink surface finish considered a cost-effective alternative to hard gold finish?
Being more robust compared to other finishes
What makes handling the lead-free surface finish a challenge?
The requirement for special care
Which application is NOT mentioned as suitable for the carbon ink surface finish?
Textile manufacturing equipment
Which surface finish mentioned is suitable for flat surface requirements and fine-pitch components?
Immersion tin
What is a common issue associated with immersion tin after about six months?
Tin whiskering defect
Which surface finish is known for its stability and long shelf-life of around 12 months?
Carbon ink
What is a key disadvantage of the organic solderability preservative surface finish?
Handling challenges
Which type of vias is unsuitable for the carbon ink surface finish according to the text?
Micro vias with aspect ratios of 1:1
What makes immersion tin an ideal choice for RoHS-compliant surface finish?
Lead content in the finish
What surface finish is susceptible to silver whiskering, according to the text?
Carbon ink
Test your knowledge on surface finish in circuit boards with this quiz. Learn about the purpose of surface finish, its role in protecting copper surfaces from oxidation, and its importance in preparing boards for component soldering.
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