Heat Is Stalling India’s Tech Leap-Custom TIM's Are the Hidden Enabler
Deeptech India, Electronics Manufacturing, Make in India, Thermal Management
- Professor
- Jul 13, 2025
- Deeptech India,
- Electronics Manufacturing,
- Make in India,
- Thermal Management
Heat Is Stalling India’s Tech Leap-Custom TIM's Are the Hidden Enabler
Across India’s innovation landscape, a silent crisis brews. In one AI startup, a high-performance laptop-critical to its R&D-began overheating. Its CPU regularly peaked at 95°C, slowing operations and eventually failing by year three. The ₹80,000 replacement cost was only part of the damage. It contributed to the 1.751 million metric tonnes (MT) of e-waste generated in India in 2023–24, of which just 43% was recycled. The remaining 990,000 MT now lingers in landfills or incinerators.
At the root of this failure? A generic thermal paste-a one-size-fits-all solution that couldn’t meet the thermal demands of the system.
Custom TIMs: Engineering Precision for the Future
Now imagine an engineered Thermal Interface Material (TIM), tailored precisely to that laptop’s thermal profile. Temperatures drop. Performance improves by up to 80%. Lifespan stretches to seven years.
Think of custom TIMs as precision-tailored suits for electronics. Commodity pastes, like off-the-shelf garments, often fit poorly. Their inefficiency causes Kapitza resistance-microscopic air gaps that restrict heat flow. Custom TIMs, built with nano-engineered structures such as vertically aligned metallic cylinders, offer 8–16x better thermal conductivity (40+ W/m·K vs. 1–5 W/m·K). These materials are designed not for the mass market but for specific devices and workloads: CPUs, EV inverters, 5G base stations, and solar inverters.
The Cost of Heat-and the Value of Precision
In a data center with 5,000 servers, generic TIMs degrade performance by 20%, inflating cooling costs and triggering premature hardware failures. Over five years, this results in ₹4 crore in energy waste and ₹20 crore in early replacements. With custom TIMs, efficiency improves dramatically, cutting ₹15 crore in total losses and preventing 40 tonnes of e-waste.
In electric vehicles, poor thermal management reduces range by 10%-about 30 km on a 300-km charge. This translates to ₹1.5 lakh in losses per vehicle. Across a fleet of 25,000 vehicles, custom TIMs can save ₹375 crore, while boosting battery life and reliability.
India’s 5G rollout, powering over 500 million users, is equally vulnerable. Overheated base stations can drop signal strength by 15%, risking ₹10 crore in downtime per 1,000 stations. Tailored TIMs stabilize performance, saving ₹7 crore annually while protecting nationwide connectivity.
The impact extends to consumer electronics. In India’s projected ₹2 lakh crore smartphone market (2025), overheating GPUs in 5G phones can cut device life by 30%. Engineered TIMs can extend life to five years, saving ₹5,000 per user and preventing 50 tonnes of e-waste annually.
In solar energy, generic TIMs can drop inverter efficiency by 10%, causing ₹2 crore in annual losses per 100 MW plant. Customized TIMs recover this loss, adding ₹1.5 crore in annual savings-and vital resilience to India’s 500 GW renewable energy target by 2030.
Built to Last, Designed to Fit
Unlike generic thermal pastes that dry and crack within two years, engineered TIMs are built to survive thousands of thermal cycles. They’re designed around specific use-cases: power density, form factor, heat flux, and environmental stress. It’s the difference between a Tejas jet engine and a propeller plane-only precision can truly soar.
A Call to Visionaries
For India to realize its ₹1.2 lakh crore electronics manufacturing ambition by 2025, we must invest in foundational enablers. Custom TIMs are one such lever-quietly empowering the future of chips, EVs, 5G, and green energy.
With the global TIM market projected to reach $7.4 billion, growing at 8% CAGR, the time is now. Let’s build a cooler, smarter, and greener Bharat-where innovation is not just imagined, but sustained.