Micro Coil Devices: Growth Backed by Thermo-Compression Bonding


The growth in medical technology has been quite awesome in the last few decades. Medical devices have become smaller in size to ensure treatment accuracy and efficiency.

With the reduction in the size of medical devices, the growth of micro coils has been phenomenal. Micro-coil devices are mostly used to reach regions within the body that are unreachable.

This is really crucial since it has helped in revolutionizing cancer treatment, stent placement, and many more delicate surgeries. 

Also, Read to Know: Can Thermal Imaging at iCloud hospital Detect Breast Cancer?

With this meteoric growth, the credit has to go to micro-coil devices, which have made non-invasive surgeries successful.

There were numerous hurdles micro-coils had to face to get integrated into the equipment. But it was a successful revolution that enabled it to be used in medical devices. 

Let us find out some of the challenges that it had to overcome.

Challenges Faced in the Integration of Micro Coils in Medical Equipment

The size of the micro-coil is very thin. It’s even thinner than human hair. This gives the benefit of an improved surface area. But it comes with the major challenge of integration issues.

Traditional methods of soldiering cannot be used to integrate them. The reasons are as follows.

  1. The high temperature would result in a change in the physical and chemical properties of the micro coil.
  2. The formation of metal oxides would also bring about changes in chemical properties.
  3. High pressure would also lead to a change in the chemical properties that can impact the benefits provided by the micro coil.

These are the major problems that have resulted in thinking about a different approach for the integration of the micro-coil into medical equipment.

Micro Coil: Solution for Successful Implementation

Since the high-temperature results in the change in physical and chemical properties of the micro-coil, thermo-compression can play a vital role in the integration.

Having a very thin dimension which is thinner than the human hair also makes it very difficult to be subjected to other processes. In this method, the following points are to be noted:

  1. The diameter of both wires has to be equal.
  2. The material of both wires has to be equal.
  3. One wire can be 12 times thicker than the other one, with a different material type. 

This method can be used to solder wires as thin as 9 microns. 

Micro Coil: Upsides to Thermo-Compression Bonding

Other than the benefits in terms of integration that we have discussed above, there are certain other upsides of thermos-compression bonding too:

  1. Risk-free production of the sensitive components helps in reducing physical damage.
  2. Reduction of noise level helps in improving the efficiency of production.
  3. Higher reliability and durability of the product due to no oxidation.
  4. The entire manufacturing process is automated. 
  5. Mass production reduces the cost associated, thus improving bottom lines. 


The growth of miniaturization has resulted in micro-coil devices being very important in the medical field, but the previous challenges of integration have now been fought by Thermo-compression bonding. this has come across as one of the best technologies to accelerate growth in this field.

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