Introduction to Value Added Operations in Micro Injection Molding 

We’re diving into value-added operations as part of PDC’s ongoing series on precision micro injection molding in medical device manufacturing. These operations are crucial for micro injection molders specializing in medical device contract manufacturing, as they enhance the functionality, performance, and compliance of the final products. In this technical post, PDC explores key secondary and value-added methods essential for achieving success in this specialized field. 

Understanding the Importance of Value-Added Operations 

In the highly regulated and rapidly evolving landscape of medical device manufacturing, delivering products of the highest quality is paramount. Value-added operations encompass a range of processes beyond basic molding that add additional functionality, improve performance, ensure regulatory compliance, and enhance the overall value of the finished medical devices. 

Surface Treatment: Elevating Performance and Biocompatibility 

Surface treatment techniques such as plasma treatment, chemical etching, and coating applications are essential for enhancing adhesion, promoting biocompatibility, and improving surface properties of micro injection molded components. These treatments enable better integration with biological tissues, reduce the risk of device failure, and ensure optimal performance in clinical settings. 

Bonding Techniques: Ensuring Durability and Reliability 

Achieving strong and durable bonds between different components is critical in medical device assembly. Advanced bonding techniques such as ultrasonic welding, adhesive bonding, and solvent bonding are employed to create secure connections that withstand the rigors of use and sterilization processes. These techniques ensure the integrity and reliability of the final product, minimizing the risk of component detachment or failure. 

Measurement and Metrology: Guaranteeing Precision and Compliance 

Precision measurement and metrology play a vital role in maintaining tight tolerances and meeting regulatory requirements in medical device manufacturing. Advanced metrology tools and techniques are employed to verify dimensional accuracy, ensure consistency, and validate critical features of micro injection molded parts. This ensures that each component meets the highest standards of quality and reliability. 

Assembly and Packaging: Optimizing Efficiency and Safety 

Efficient assembly processes and customized packaging solutions are essential for delivering medical devices that are ready for use in clinical settings. Automated assembly systems streamline production workflows while tailored packaging designs minimize contamination risks and ensure product integrity throughout storage and transportation. These strategies optimize efficiency, reduce costs, and enhance end-user safety. 


Value-added operations are integral to the success of micro injection molders specializing in medical device contract manufacturing. By implementing advanced techniques such as surface treatment, bonding, measurement, assembly, and packaging, we can enhance medical device functionality, reliability, and compliance, ultimately improving patient outcomes and advancing healthcare innovation. Stay tuned for more insights as we continue to explore the intricacies of micro injection molding in medical device manufacturing. 

Mastery in Precision Molding: Insights from Our Journey

PDC considers the surface finish of the substrate material and will optimize the surface texture in the micro-injection mold design to ensure successful bonding in downstream operations. We utilize laminar flow hoods in our Class 8 clean room to ensure that all parts remain free of foreign particulate contamination during operations. PDC utilizes high-resolution surface scanning technology, white light interferometry, and optical measurement methods to measure surface flatness and confirm that the surface finish is achieved in its on-site metrology laboratories. These advanced metrology techniques allow PDC to rapidly confirm that the injection molded parts meet our customer’s specifications for critical interfacing surfaces and bonded surfaces.