Complex Microelectronic Assembly Experts
Experienced, Unrivaled Expertise In Complex Microelectronics
For close to 50 years, Promex has led the industry as a top-tier contract manufacturer specializing in intricate microelectronics component assembly. Our capabilities include:
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- Multiple SMT Lines
- Chip-On-Board Expertise
- Advanced Post-wafer Assembly Techniques: Wafer Dicing, Wafer Backgrinding, Die Attach, Flip Chip, Wire Bonding, and Encapsulation
From early-stage prototypes to high-volume production, Promex excels at every phase. Our Silicon Valley-based Class 100 / Class 1000 cleanrooms are ISO 13485:2016 and ISO 9001:2015 certified and IPC technicians ensure precision and quality. We’re also ITAR registered, assuring compliance.
Capabilities
Surface Mount Technology (SMT)
Assembly
Die Prep
Wafer Processing
Substrate Design & Fabrication
Metrology
Process Development
Project Management
Surface Mount Technology (SMT)
Assembly
Die Prep
Wafer Processing
Substrate Design & Fabrication
Metrology
Process Development
Project Management
From Prototype To Production
Through collaborative learning with our clients, we design innovative manufacturing process flows that integrate electrical and nonelectrical components into unique assemblies.
Our Phase Gate process takes you from concept to production so you can leverage our expertise in how to design for assembly. We work with your engineering team to ensure your conceptual design is manufacturable and your component assembly can be efficiently achieved.
From Prototype To Production
Through collaborative learning with our clients, we design innovative manufacturing process flows that integrate electrical and nonelectrical components into unique assemblies.
Our Phase Gate process will take you from concept to production so you can leverage our expertise in how to design for assembly. We work with your engineering team to ensure your conceptual design is manufacturable and your component assembly can be efficiently achieved.
Prototypes
Are you involved with early developmental-stage projects requiring short-run prototypes with small-scale fabrication of a few dozen units? We can do rapid prototype builds because of our fully integrated onshore facility located in the heart of Silicon Valley.
New Product Introduction
Promex excels in helping bridge the gap between prototype and full-scale production by navigating the complexities of developing production processes for emerging tech. With our experience in assembly, we provide robust support for clients with new product development intricacies.
Compliance
We are a fully integrated cGMP manufacturer of FDA-compliant Class II / III medical device assemblies. ISO 13485 certified. We understand the unique demands of FDA compliance and full manufacturing process validation and can help you navigate complexities.
Production
You will have access to conventional microelectronic assembly processes, but we can go beyond these conventional approaches to develop assembly and fabrication processes to accommodate the unique requirements of your device and its components.
Prototypes
Are you involved with early developmental-stage projects requiring short-run prototypes with small-scale fabrication of a few dozen units? We can do rapid prototype builds because of our fully integrated onshore facility located in the heart of Silicon Valley.
New Product Introduction
Promex excels in helping bridge the gap between prototype and full-scale production by navigating the complexities of developing production processes for emerging tech. With our experience in assembly, we provide robust support for clients with new product development intricacies.
Compliance
We are a fully integrated cGMP manufacturer of FDA-compliant Class II / III medical device assemblies. ISO 13485 certified. We understand the unique demands of FDA compliance and full manufacturing process validation and can help you navigate complexities.
Production
You will have access to conventional microelectronic assembly processes, but we can go beyond these conventional approaches to develop assembly and fabrication processes to accommodate the unique requirements of your device and its components.
Promex Specializes In Innovative Technology
Our technology and engineering expertise combine to offer unique contract production for your project. With our wide range of capabilities all under one roof and your device design needs we work with you to create the production requirements needs. We work with many different industries.
Promex Specializes In Innovative Technology
Our technology and engineering expertise combine to offer unique contract production for your project. With our wide range of capabilities all under one roof and your device design needs we work with you to create the production requirements needs. We work with many different industries.
We’ll Bring Your Miniaturized Device To Life
“Promex is a responsive, knowledgeable, and capable contract manufacturer that I would recommend to any medical device company who needs miniaturization services.”
We’ll Bring Your Miniaturized Device To Life
“Promex is a responsive, knowledgeable, and capable contract manufacturer that I would recommend to any medical device company who needs miniaturization services.”
Applications
Medical & Biotech
Promex is trusted by medical device companies within the surgical robot, implantable, and neuromodulation industries.
Data & Telecom
Complex subassemblies and components are critical for enabling rapid data transfer and clear voice communication.
Photonics
Microelectronics are integral to the photonics industry, supporting the development of optical devices and technologies.
MEMS & Sensors
MEMS and sensors require the use of small-scale microelectronic components as the key to their development.
Military & Defense
Promex serves the defense industry’s many innovate projects focused on microelectronics.
Semiconductors
Miniature components form the basis of semiconductor devices and how they operate.
Automotive LiDAR
Microelectronics are a crucial component in the automotive and LiDAR industry.
Medical & Biotech
Promex is trusted by medical device companies within the surgical robot, implantable, and neuromodulation industries.
Data & Telecom
Complex subassemblies and components are critical for enabling rapid data transfer and clear voice communication.
Photonics
Microelectronics are integral to the photonics industry, supporting the development of optical devices and technologies.
MEMS & Sensors
MEMS and sensors require the use of small-scale microelectronic components as the key to their development.
Military & Defense
Promex serves the defense industry’s many innovate projects focused on microelectronics.
Semiconductors
Miniature components form the basis of semiconductor devices and how they operate.
Automotive LiDAR
Microelectronics are a crucial component in the automotive and LiDAR industry.
Industry Information
Industry Information
Typical Clients
Promex Is Based In The USA
Founded in 1975, Promex is committed to building smart, capable, miniature devices across many industries, from medical and biotech to automotive and aerospace, and so much more. Let us help you take your concept from prototype to production.
Promex Is Based In The USA
Founded in 1975, Promex is committed to building smart, capable, miniature devices across many industries, from medical and biotech to automotive and aerospace, and so much more. Let us help you take your concept from prototype to production.
Company News
Promex and Realeve Recognized by MedTech Breakthrough for Best New Pain Management Solution
Realeve partnered with Promex for the development and manufacturing of its Pulsante™ Micro-Neurostimulator System SANTA CLARA, Calif. (May 8, 2025) — Promex, the leader in microelectronic component assembly, process design, and packaging of medtech and biotech...
