Thursday, July 31, 2014

Selecting PCB Suppliers


Oldie but goodie - Lee Ritchey

http://speedingedge.com/PDF-Files/SELECTING%20PCB%20SUPPLIERS2303.pdf

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Sunday, July 27, 2014

CHARACTERIZATION OF A PRINTED CIRCUIT BOARD VIA

Thesis Paper - Brock J. LaMeres, 1998


Friday, July 11, 2014

Laminate & Prepreg Manufacturing - Isola

When designing high volume PCBs is important to consider the regional availability of the materials used in the stackup.



Reference: Understanding_The_PCB_Laminate_and_Prepreg_Process


CAF Resistant Requirements: 

  • Product must pass 1000 hr CAF testing (100V, 85%RH, 85C).
  • B Stage (pre-preg) is restricted to the following glass styles: 106/1067, 1080/1086, 2113/3313 and 2116.
  • C Stage (cores) must have a resin content > 45%.
  • Isola 370HR material is recommended for cost sensitive applications.

Notes: 7628 and 1652 glass should be avoided if CAF is a concern.

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