Seven evergreen articles on how boards are designed, quoted, built and inspected. None of them report a company event — they explain the engineering behind the price.
Every article below is a working note rather than a report. Filter by category, or read the full text.
The route every order takes: inquiry, DFM review, itemised quotation, written specification, production, inspection and the documentation that ships with the boards. Knowing the steps tells you exactly what we need from you at each point.
Extra layers change the build route, not just the material bill: lamination cycles, thicker plating, longer drilling and test time, and a yield curve that steepens with every added layer. Here is where the money actually goes.
As BGA pitch falls, the board stops being a flat electrical artefact and becomes a thermal and warpage problem. Heat paths, Z-axis expansion, reflow stiffness and assembly keep-outs all move with the stack-up.
A working method for estimating what a layer count will cost you: which line items scale with layers, which scale with area, and how to test whether your design can drop a layer before you order one.
Annular ring, aspect ratio, copper balance, mask dam, creepage, outline and test access: the manufacturability checks worth running on the Gerbers before anything is cut, and the ones that still get missed.
Two routes to the same thin envelope: a bendable flex section that removes the connector, or a denser interconnect stack that removes the area. The cost, yield and reliability trade-offs differ in kind, not just in price.
Solderability, planarity, contact resistance, thermal behaviour and cost: how the four mainstream finishes differ, where each one fails in practice, and which single question about your board should decide the choice for you.
Gerbers, a stack-up, or just the question you are stuck on. We answer inquiries during Monday to Saturday, 9:00–18:30 (GMT+8).
