Part 3. The Process – Orchestration and Verification
From Digital Design to Physical Product This part details the transformation of raw materials into finished devices. It covers the physics of the SMT line, the craftsmanship of manual assembly, the mechanics of box build, and the rigorous digital testing gates that validate quality. It answers the question: "How do we build it repeatably?"
3.1 The Virtual Build – DFM and Strategic Sourcing
The most expensive defects are those created before manufacturing begins. The "Virtual Build" pha...
3.2 Surface Mount Technology (SMT) – The High-Speed Engine
The SMT line serves as the primary revenue engine of modern electronics manufacturing, transformi...
3.3 Through-Hole (THT) and Manual Assembly
Where automation ends, skilled craftsmanship begins; the "Back End" of the PCB assembly process h...
3.4 Cable and Wire Harnessing
If the PCB is the brain, the cable harness is the nervous system; its fabrication is a discipline...
3.5 Box Build and System Integration
The Box Build phase represents the convergence of electronics, mechanics, and software into a sel...