Terms of Use
The engineering notes on this site are practical guidance, not a substitute for drawing review, material testing, or customer approval in the final application.
- Dimensions, tolerances, adhesive choices, and IP ratings must be confirmed against the real enclosure.
- PDF checklists are provided for sourcing support and may not cover every industry requirement.
- Final product responsibility depends on approved drawings, samples, testing, and purchase terms.
- Do not reuse site content as a claim of certification for an untested product.

Factory-backed review for stack, material, connector, adhesive, and sample risk.
Engineering reference
Terms of Use
The engineering notes on this site are practical guidance, not a substitute for drawing review, material testing, or customer approval in the final application.
- Dimensions, tolerances, adhesive choices, and IP ratings must be confirmed against the real enclosure.
- PDF checklists are provided for sourcing support and may not cover every industry requirement.
- Final product responsibility depends on approved drawings, samples, testing, and purchase terms.
- Do not reuse site content as a claim of certification for an untested product.
RFQ support
Send a drawing before the design is locked.
For your membrane switch project, the useful review happens before tail exit, connector, adhesive, and artwork decisions become expensive to change.