Design environments
External Links
My Pages
Libraries Online
PC Board Fabricators
PCB Fabrication Tips
- PCB Scoring – to separate like crackers
PCB Materials
- Dielectrics – Includes a graph with FR-4 dielectric constants that explains Dk versus glass / resin ratio and with frequency
- Isola G200 which as a Dk ~3.7 and 1/2 the loss of Fr-4. I think it is a BT epoxy like recipe
- Isola 370HR laminate
- Taconics paper on measuring Dk with Bereskin method
- IPC-TM-650 TEST METHODS MANUAL
- Isola IS620i high performance material – looks very reminiscent of Rogers 4350
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