→ Pre-Engineering → Layer Construction → Lamination → Drilling → PTH Process → Plating → Final Finishes

→ Soldermask / Legend → Fabrication → Electrical Test → Impedance Measurement → Laboratory → Quality Systems / SPC

Pre-Engineering

• Valor Genesis 2000 CAM platform
• DRC checks
• Design for manufacturability review
• Design for testability review
• Impedance modeling and verification

Layer Construction

• Minimum core thickness: .003"
• Minimum dielectric: .003"
• Blind and buried via's
• Sequential lamination

Lamination

• Maximum number of layers: 28
• Maximum board thickness: .135"
• Minimum board thickness: .015"

Drilling

• Minimum finished mechanical hole size: .005"
• Minimum finished laser drilled hole size: .004"
• Layer-to-layer registration: +/- .004"

PTH Process

• Electroless copper
• Direct metalization
• Maximum high aspect ratio: 16:1

Plating

• Gold edge connectors
• Edge plating

Final Finishes

• Hot air solder level (HASL)
• Organic solderability preservative (OSP)
• Immersion gold
• Immersion white tin
• Immersion silver
• Nickel body, selective or full
• Gold body, selective or full

Soldermask / Legend

• Per IPC-SM-840
• Liquid photo-imageable (LPI)
• Thermal mask
• Soldermask colors: green, red, blue, black, clear (call for additional colors)
• Legend colors: white, yellow, black, red, orange (call for additional colors)
• Via fill
• Via plug & cap
• Carbon paste

Fabrication

• Tolerance on overall dimensions:
• Minimum inside radius:
• Numerically controlled routing
• Controlled depth score, jump score
• Beveling
• Countersinking, counter-boring
• Edge milling

Electrical Test

• Electrical test parameters compliant with IPC and Bellcore specifications
• Probe testing
• Standard test parameters: isolation - , continuity - , voltage -

Impedance Measurements

• Impedance coupons serialized to individual board
• Single-ended and differential impedances
• Polar testing systems

Laboratory

• Standard and thermal stress cross-section evaluation (IPC-6012)
• Layer construction verification
• SIR testing
• SERA analysis
• XRF testing
• Failure analysis

Quality Systems / SPC

• ISO 9002 registered (File Numbers - A6139, A6141)
• IPC-A-600, IPC-6012 trained personnel
• Military certified MIL-P-55110
• UL approved
• Bellcore compliant