Electronics Assembly Knowledge, Vision & Wisdom
Ask the Experts << Page 1 of 34 >>
Arranged via association with Circuitnet..
See the Expert Panel | Submit A Questions | Join the Panel

Programs are sorted by published date, most recent first.
Directory Search        


Program Search        
Ask the Experts
Long Term Component Storage
We need to store a variety of SMD components for at least 10 years. What do you recommend for humidity and temperature settings?
Ask the Experts
Ask the Experts
Environment Impact on Assembly, Printing and Reflow
Is particle count a good parameter to control? How can having high particle concentrations affect our PCB assembly process or reflow process?
Ask the Experts
Ask the Experts
Stencil Pattern for Thermal Pads on QFNs
We know why it is important to "mesh" but need more info regarding what is best aperture size, number of apertures, etc. Can you point us to information?
Ask the Experts
Ask the Experts
Components Falling Off During Wave Soldering
We are facing a problem with components falling off during PCB wave soldering. Could the problem be caused by the lacquer coating on the PCBs?
Ask the Experts
Ask the Experts
Dust contamination after selective soldering
We are using SN100C alloy and a no-clean flux applied with drop jet. The dross dust appears in the vicinity of solder joints, but not immediately adjacent.
Ask the Experts
Ask the Experts
Bottom Terminated Components and Vias
Should the thermal vias of bottom terminated components be tented on both sides to prevent flux trapping and solder wicking?
Ask the Experts
Ask the Experts
Initial Screen Print Test Board
Is it recommended to print one cycle before printing the first production board? I could use a scrap board or blank plastic card for the first print.
Ask the Experts
Ask the Experts
Solder Paste Viscosity
What key factors affect solder paste viscosity? Assuming we only focus on the powder, will more fine powders increase the paste viscosity or the reverse?
Ask the Experts
Ask the Experts
Twisting Multi-strand Wires
Should multi-strand wires be twisted before they are tinned with solder? What are the benefits of twisting prior to tinning?
Ask the Experts
Ask the Experts
Partially Visible or Hidden Solder Connections
Being a CM, it is not feasible to add an X-Ray inspection to the process due to added cost. How do others in the industry handle this?
Ask the Experts
Ask the Experts << Page 1 of 34 >>