Sequential lamination

Calumet Electronics designs, engineers, and manufactures high reliability printed circuit boards (PCBs) in the USA since 1968. Based in Michigan's Upper Peninsula, it is 100% American owned and operated with no offshoring or brokering, serving aerospace, defense, communications, electric power, medical, industrial controls, space, and national security sectors.

backdrillblind viascontrolled impedanceedge castellationFlying probe testlaser direct imagingmechanical millingmicroviasPCB engineeringPCB fabricationRF/mixed signal builds

Eltek Ltd. is a global manufacturer of complex Rigid and Flex-Rigid Printed Circuit Boards (PCBs), established in 1970 and listed on NASDAQ (ELTK). The company is an AS9100, ISO-9100, Nadcap (Electronics) and ITAR & EAR certified high technology PCB manufacturer with over 300 employees, serving markets including Space, Aerospace & Defense, Medical, Industrial, and HSD/RF & Microwave.

Design-for-manufacture reviewengineering supportFlex-rigid board productionFusion Bonding TechnologyHDIPCB manufacturingPrototypes through production

Excello Circuits is a premier PCB manufacturer located in Anaheim, California, offering a one-stop manufacturing solution from design services, engineering support and prototype development through production manufacturing of time-critical and technologically complex printed circuit boards. It serves aerospace, medical, automotive, high-end industrial, communications and contract manufacturing sectors. The facility is ISO 9001:2008 certified, ITAR Registered, and UL Listed.

backdrillburied and blind viasdesign servicesedge platingengineering supportHDIheavy copper up to 16 ozimpedance controlmultilayer boards up to 24 layersPCB manufacturingprototype developmentquick turnaround starting from 24 hours

IMI Inc. has been fabricating specialized RF/microwave and mixed dielectric/hybrid substrates as well as specialty printed circuit boards since 1971. It produces up to 20-layer product on PTFE, ceramic and FR-4 based laminates, and serves the RF/microwave, aerospace, military, medical, industrial, telecommunications and electro-optical markets. IMI is AS9100/ISO9001, MIL 31032, and IPC-1791 Trusted Supplier certified and ITAR registered.

blind and buried viasmixed construction laminationplatingprinted circuit board fabricationsurface finishes including ENIG, HASL, hard gold, soft gold, silverup to 20 layers