Evaluated materials

 

Evaluated materials, PCB

Certain epoxy (HFFR4) 1.5 N/mm 8.6 lbs/in (initial trials)
PTFE Taconic TLX 9 2.5 N/mm 14.3 lbs/in (initial trials)
PTFE Taconic TLX 9 >5.0 N/mm >28.5 lbs/in (optimized, material breach)
PTFE Taconic TLP 5 2.5 N/mm 14.3 lbs/in (initial trials)
PTFE Nelco® N9000 2.0 N/mm 11.4 lbs/in (initial trials)
PTFE Rogers 3003 2.5 N/mm 14.3 lbs/in (initial trials)
PTFE Rogers CLTE-MW 2.0 N/mm 11.4 lbs/in (initial trials)
LCP Rogers Ultralam 3850 1.0 N/mm 5.7 lbs/in (initial trials)
PI 1.5 N/mm 8.6 lbs/in (initial trials)
COC Cyclic Olefin Copolymer 1.5 N/mm 8.6 lbs/in (optimized, transparent)

Peel strengths according to IPC-TM-650 2.4.8 (1 oz Cu), after solder float
 

Evaluated materials, POP

PC/ABS, ABS 1.4 N/mm 8.0 lbs/in (ongoing trials)
PA (PA6, PA6.6, PA12) Minlon 73M40 NC 4.0 N/mm 22.8 lbs/in (optimized)
PA (PA6, PA6.6, PA12) Minlon 73M40 NC 1.5 N/mm 8.6 lbs/in (initial trials)
PA (PA6, PA6.6, PA12) Promide B30 NC100 2.0 N/mm 11.4 lbs/in (initial trials)
PA (PA6, PA6.6, PA12) Leona 91G60 1.5 N/mm 8.6 lbs/in (initial trials)
PA (PA6, PA6.6, PA12) Badamide B70GF30 2.0 N/mm 11.4 lbs/in (initial trials)
PA (PA6, PA6.6, PA12) Grilamid LV65H 2.0 N/mm 11.4 lbs/in (initial trials)
PP, PE >3.0 N/mm >17.1 lbs/in (ongoing trials)
PET
TPE
PEI Ultem 3452 0.8 N/mm 4.6 lbs/in (initial trials)
Nanoporous alumina (aluminium dioxide) >1.2 N/mm >6.9 lbs/in (optimized)

Peel strengths according to IPC-650 and ASTM standards (1 oz Cu)