Precision Laser Welding for Medical Devices

With 30+ in-house laser welding machines, Hochuen is an OEM that is capable of manufacturing medical devices such as POCT, IVD, and microfluidic devices.

Hochuen Medical has 30 in-house laser welding machines

Expertise in Medical Device Manufacturing

Hochuen is an expert in OEM medical device manufacturing with bonding capabilities like laser weld, heat staking, and adhesive bonding to enhance your production.

These capabilities include laser welding, an assembly process that integrates the precision joining of metal components in an advanced automated system to produce state-of-the-art medical devices.

Hochuen’s Suite of Bonding Manufacturing Capabilities

Hochuen offers six types of intricate bonding manufacturing, including:

  • Bonding (adhesive)

  • Bonding (laser welding)

  • Bonding (heat staking)

  • Bonding (clear plastic laser welding)

  • Bonding (thermal compression)

  • Bonding (ultrasonic welding)

These bonding manufacturing capabilities enable high-volume medical device production over a quick ramp-up period.

Bonding (Adhesive)

A common bonding method incorporates adhesives which can be pressure-sensitive, thermal-sensitive, and UV-sensitive. These approaches are typically used to fuse two or more layers of plastic (or various materials) together.

Pressure sensitive adhesive (PSA) bonding is commonly used to integrate two or more layers of plastic or other materials together. PSA can also be used to seal a microchannel layer. PSAs are popular too because they can be die cut or laser cut with high precision.

The majority of our clients will use PSAs for adhesive bonding. These PSAs can be Silicone or Acrylic-based, and the specific PSA used depends on the project requirements. Hochuen’s bonding process is simple and easy to implement – both clients and our team can suggest a PSA based on our experience.

 
 

Bonding (Laser Welding)

The laser welding process requires the use of black substrate and is perfectly suited for creating channels without the use of adhesive. Through the bonding laser welding process, channels can successfully withstand high pressure.

Bonding (Clear Plastic Laser Welding)

Hochuen has also developed the technology to laser weld two clear plastics on top of each other. This allows for clear plastic laser welding to be used on chips with optical applications.

 

Bonding
(Heat Staking)

The heat staking process involves the use of induction heat to fabricate a bond between metal materials and other types of components such as plastic to plastic, glass to metal, rubber to metal, and more.

Bonding
(Thermal Compression)

Thermal compression bonding does not require the use of adhesive and is best suited for small microchannels (less than 200 um wide) that need to be sealed. Thermal stress is slowly released over time using this process.

Bonding
(Ultrasonic Welding)

Ultrasonic bonding is best suited for bonding two layers with the same plastic material, such as PC.

This bonding is a rapid process, thus inexpensive. Only the energy director areas are heated, therefore the thermal stress is minimal as compared to thermal bonding and laser welding however ultrasonic vibrations can leave small particles in the microchannel.

 

Precision Laser Welding for Medical Devices

 

Hochuen utilizes 30+ in-house laser welding machines to conduct bonding for medical devices such as:

  • Microfluidic chips

  • Microfluidic cartridges

  • POCT devices

  • IVD devices

The process of bonding and lamination is broken into two separate categories:

  1. Direct Process: This process allows the microfluidic substrates bond to attach to the interface using thermal fusion bonding, ultrasonic welding, and additional techniques.

  2. Indirect Process: Hochuen utilizes added material or chemical reagents to conduct bonding and lamination for devices like microfluidic chips.

Hochuen’s advanced techniques allow for the high-quality production of laminated medical devices that serve a critical purpose, including:

  • Microfluidic Chips & Devices

  • POCT Devices

  • IVD Devices

  • Life science research disposables

  • Gene sequencing chips

 

Get in touch to receive a free quote for Hochuen’s unique plastic laser welding services for your medical device design.

Advantages of Precision Laser Welding

Flexible Method

Hochuen’s flexible laser welding process is suited for device sealing without the requirement of adhesive.

Promotes Efficiency

Allows for the creation and structured build of single or multiple layer structures within a connected channel network.

Supports Device Functionality

High-precision bonding techniques create a safe, air-bubble-free bond between micro-features and plastic substrates.

Request a Free Quote

Learn how Hochuen Medical can improve production efficiencies for your business. Complete the contact form to request a free quote for medical device prototyping and contract manufacturing from Hochuen Medical.