PCB Copper Busbar Width Reports: Reading Cp, Cpk and Process Centering
Read Cp and Cpk for PCB copper busbar width, check stability and sampling, and separate process capability from first-ar...
Technical Guides & Company Updates — Page 8
Explore Hongchuan Metals technical guides, product information and company updates. Review PCB busbar, solder terminal and SMT nut selection considerations alongside the product catalog.
PCB Solder Terminal Wire Specifications: AWG, mm² and Cable Diameter
Separate wire gauge, copper area and insulated cable diameter in PCB solder-terminal RFQs. Geometric AWG conversions do ...
Surface Mount PCB Jumpers Are Not Fuse Ratings: Conduction and Interruption
A PCB jumper's conduction capability does not establish safe fault interruption. Distinguish melting and total-clearing ...
Threadlockers on SMT Nuts: Cure, Material Compatibility and Removal
Qualify threadlocker use on SMT nuts against the actual screw, surface and PCB. Review cure, spill control and removal l...
SMD Busbar Transient Heating: Thermal Time Constants and Test Duration
A cool SMD busbar after a short test is not steady-state evidence. Learn a first-order heating example and the power, se...
PCB Copper Busbar Vickers Hardness Reports: Force, Indents and Test Locations
Review Vickers hardness with test force, dwell and locations. A force-and-diagonal example explains why substrate and pl...
PCB Solder Terminal Contacts: Dry-Circuit Testing Before Load Tests
Plan low-level contact tests before load testing when the original contact-film condition matters. Distinguish dry-circu...
Surface Mount PCB Jumper Resistance: Parallel Paths in In-Circuit Tests
Four-wire sensing does not remove parallel PCB paths. Use a micro-ohm example to distinguish surface mount jumper resist...
SMT Nut Grounding: Why Low DC Resistance Does Not Verify RF Impedance
Evaluate SMT nut grounding beyond DC continuity. A frequency-and-inductance example explains why the shield, contact, so...
SMD Busbar Burr Inspection: Height, Base Thickness and Edge Direction
Specify stamped SMD busbar burr height separately from base thickness and direction. Define reference surfaces, peak sea...
PCB Busbar Tolerance Near the Limit: Measurement Uncertainty and Guard Bands
Define a decision rule for PCB busbar dimensions near tolerance limits. Distinguish specification limits, expanded uncer...
PCB Solder Terminals at High Altitude: Clearance Correction and Assembly Checks
Assess air clearance for PCB solder terminals at altitude. Keep clearance separate from creepage, verify the adopted sta...