Flexible PCB connector in KiCAD
PCB design,PCB fabrication,wellcircuits,electronic engineer
wellcircuits
Can a module be designed to have both castellations and LGA connectors?
The individual is seeking advice on choosing a pinout method for a module assembled board-to-board on a larger PCB, considering the combination of LGA and castellations, and questioning the mechanical feasibility and potential conflicts during the assembly process. They are open to opinions and suggestions.
Can a module be designed to have both castellations and LGA connectors? Read More »
Components are through-hole mounted on one side and surface mounted on the other.
The individual is inquiring about the potential drawbacks of having through-hole connectors on one side of the board and everything else, such as surface-mounted components, on the other. They are questioning whether this assembly makes selective or wave soldering more challenging and considering consolidating all components on the same side if feasible.
Components are through-hole mounted on one side and surface mounted on the other. Read More »
Chinese fabricators with LPI or DLP technology
Are there any Chinese fabricators capable of utilizing LPI or DLP for silkscreening? Seeking recent information on this topic.
Pads with silkscreen printing
The individual is puzzled by the discovery of solder-masked and silkscreened pins on a TQFP package, and is seeking explanations for the purpose behind this rather than leaving the pins unsoldered. They also question the decision to silkscreen the pads instead of using solder mask. They speculate potential reasons for these design choices and seek insights from the community.
Is it possible to apply silkscreen directly onto the copper PCB layer without using solder mask?
The individual is inquiring about the feasibility of directly printing a PCB silkscreen layer onto a copper layer without using a solder mask, as this possibility would be beneficial for their specific design. They are seeking input from anyone with experience in doing so.
Soldering SMD components without using flux.
When using a gull-wing tip and flux pen for surface mount soldering, consider using flux-free solder to avoid generating additional fumes. It’s challenging to find options for electronics.
How to ensure adequate solder paste coverage for large pads?
Is there a rule of thumb for determining solder paste aperture size for large pads, especially exposed pad QFN packages? Looking for guidance on breaking up larger areas.
How to ensure adequate solder paste coverage for large pads? Read More »
What are the methods for addressing via on pad without causing plugging?
The problem involves vias on pads in a design. The individual has been unable to plug them and is seeking an alternative solution.
What are the methods for addressing via on pad without causing plugging? Read More »
How to place the most economical circuit board order with Wellcircuits?
Creating a list of the most affordable circuit board options, with a recommendation for wellcircuits offering good quality boards for a low price.
How to place the most economical circuit board order with Wellcircuits? Read More »