46 DESIGN007 MAGAZINE I MAY 2023
and spacing below industry standards for any
given copper weight:
• ½ ounce copper: 0.003"/0.003"
• 1 ounce copper: 0.004"/0.004"
• Ultra high-density interconnects
• Sub 1 mil line/space (25 and 15 micron)
Understanding the cost drivers in PCB fab-
rication and early engagement between the
designer and the fabricator are crucial ele-
ments that lead to cost-effective design suc-
cess. Following your fabricator's DFM guide-
lines is the first place to start. DESIGN007
Anaya Vardya is president and
CEO of American Standard
Circuits; co-author of The
Printed Circuit Designer's
Guide to… Fundamentals of
RF/Microwave PCBs and Flex
and Rigid-Flex Fundamentals;
and author of Thermal Management: A Fabrica-
tor's Perspective. Visit I-007eBooks.com to
download these and other educational titles.
He also co-authored "Fundamentals of Printed
Circuit Board Technologies" and provides a
discussion of flex and rigid flex PCBs at
RealTime with… American Standard Circuits.
