IATF 16949: 2016

Have Any Question

+886 7 3909222

Send Your Mail

market@excelcomponents.com.tw

Why is Blind Hole Plating So Difficult? A Systematic Solution

Why is Blind Hole Plating So Difficult? A Systematic Solution

 

  1. Prevention at the Design Stage (DFM)

Over 80% of manufacturing issues originate in design. By optimizing the aspect ratio, adding internal fillets, and clearly defining plating requirements, we can eliminate problems at the most cost-effective stage.

 

  1. Thorough Pre-treatment & Cleaning

Blind holes are traps for contaminants. Ultrasonic degreasing and multi-stage rinsing are critical to ensure the internal surfaces are pristine, providing a perfect foundation for strong plating adhesion.

 

  1. Precision Control During Plating

This is the core of the solution. Through expert jigging, enhanced solution agitation (e.g., pulse plating), and selecting a process with high throwing power like Electroless Nickel (ENP), we overcome the physical barriers.

 

  1. Meticulous Post-Treatment & Drying

To prevent future “acid bleed-out,” parts undergo neutralization, hot water rinses, and thorough oven baking to ensure no residual chemicals or moisture remain trapped inside the blind hole, guaranteeing long-term reliability.