High Tg PCB Advanced PCB Manufacturing| YMS PCB
How do I classify high-TG materials?
Materiale | TG | MOT |
FR4-standard-TG | 130°C | 110°C |
FR4-mittel-TG | 150°C | 130°C |
FR4-hoch-TG | 170°C | 150°C |
Polyimid-Super-hoch-TG-Material | 250°C | 230°C |
ome common high-frequency materials do not mention TGs in their datasheets. This is due to the original meaning of TG: "temperature of glass transition". Many ceramics- or PTFE-based materials do simply not contain any glass fibres and therefore have no technical TG. Generally, this fact also applies to Polyimides (PI). However, you can usually assume a TG of at least 200°C for Polyimide, ceramics or PTFE-materials. In this case the TG simply stands for temperature resistance.
You may apply the following values:
Material type | Typical „TG“ |
CEM1 | 110-130°C |
FR4 | 120-180°C |
PTFE | 200-260°C |
Ceramic | 200-300°C |
Polyimide | 200-350°C |
YMS High Tg PCB manufacturing capabilities:
YMS High Tg PCB manufacturing capabilities overview |
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Funktion | kapaciteter | |
Lagantal | 3-60L | |
Tilgængelig flerlags printkortteknologi | Gennemgående hul med billedformat 16: 1 | |
begravet og blind via | ||
Hybrid | High Frequency Material such as RO4350B and FR4 TG 180°Mix etc. | |
High Speed Material such as M7NE and FR4 TG 180°Mix etc. | ||
Tykkelse | 0,3 mm-8 mm | |
Minimum linjebredde og mellemrum | 0,05 mm / 0,05 mm (2 mil / 2 mil) | |
BGA Pitch | 0,35 mm | |
Min mekanisk boret størrelse | 0,15 mm (6mil) | |
Billedformat for gennemgående hul | 16: 1 | |
Overfladebehandling | HASL, Blyfri HASL, ENIG, Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP , ENEPIG.etc. | |
Via udfyldningsmulighed | Via er udpladet og fyldt med enten ledende eller ikke-ledende epoxy, derefter lukket og belagt over (VIPPO) | |
Kobberfyldt, sølvfyldt | ||
Registrering | ± 4mil | |
Loddemaske | Grøn, rød, gul, blå, hvid, sort, lilla, mat sort, mat grøn. Osv. |
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