N7000-2 HT (Laminate) and N7000-3 (Prepreg) from Nelco
The Nelco N70002 HT laminate and N70003 prepreg are a series of toughened polyimide materials for use in highreliability multilayers. This combined resin system provides excellent thermal performance, improved processing characteristics and is exceptional for use in a wide variety of applications that include fine geometry multilayer constructions and extreme reliability requirements.
Key Features of N7000-2 HT and N7000-3
- Polyimide resin chemistry
Robust thermal stability and reliability
Toughened resin system
High temperature tolerance and chemical resistance - Lead-free assembly compatibility
Withstands multiple thermal excursions
Tg 260°C by DSC
T260 > 12 minute
Low Z-Axis CTE
Designed for use in severe conditions - Supports current and previous military and industrial standards
N7000-2 HT and N7000-3 meet IPC-4101/40. /41 and/42 specifications
Complies with the old GIJ and GIL military specifications - Reliable plated-through holes
Low Z-Axis CTE and toughened polyimide chemistry providing good dimensional stability - Reliable processing
Improved fracture resistance compared with traditional polyimide systems
Reduced cure time compared to other traditional polyimide systems
Applications for N7000-2 HT and N7000-3
- Fine-Line Multilayers
- Backplanes
- Surface-Mount Multilayers
- BGA Multilayers
- Direct Chip Attach
- Underhood Automotive
- Burn-in Boards









