American Standard Circuits
Complete PCB Solutions—from Rapid Prototypes to High-Volume Production
About American Standard Circuits
A Total Solutions Provider for Advanced PCB Technologies
American Standard Circuits (ASC) and Sunstone Circuits have combined their strengths to form one of the industry’s most comprehensive PCB solution providers—with more than 50 years of collective expertise.
ASC brings deep technical proficiency across Ultra HDI, rigid, metal-backed/core, RF/microwave, flex, and rigid-flex technologies, serving diverse industries with complex, high-performance requirements. Sunstone Circuits, known for pioneering online PCB quoting and exceptional customer support, adds unmatched speed, accessibility, and service excellence.
Together, this alliance delivers a complete PCB lifecycle—from design support and rapid prototyping to large-volume production—establishing a new benchmark for quality, responsiveness, and engineering capability.
Products & Capabilities
Flex and Rigid-Flex
Altaflex applies extensive material science knowledge and process expertise to support customers across a wide range of sophisticated application spaces. Altaflex is certified to ISO 9001:2015 and ISO 13485:2016.
RF Metal-Backed
Single-sided, double-sided, and multilayer PCBs with metal-backed or metal-clad constructions to enhance thermal performance and grounding.
Ultra High Density Interconnects (Ultra HDI)
Ultra-fine line and space capabilities down to 25 microns, available across rigid, flex, and rigid-flex builds.
MCPCB / IMPCB
Metal-core and metal-backed PCBs engineered for demanding thermal environments such as power electronics and LED lighting.
RF / Microwave
Specialized expertise in manufacturing complex RF and microwave circuits with tight tolerances and time-sensitive delivery requirements.
Digital Boards
High-speed digital PCBs with quick-turn options—available in as little as 24 hours for urgent prototype needs.
Industries We Serve
- Radar Systems
- Transportation
- Defense
- Aerospace
- Industrial * Commercial Electronics
- Medical Devices
- Telecommunications
- Computer Systems
Have Questions?
Please contact us to learn how our capabilities and services can meet your requirements.