Advanced Thermal Management in Wearables: HJ-TC's PI Heating Film Technology

Release time: August 20, 2025

Views: 25

Advanced Thermal Management in Wearables: HJ-TC's PI Heating Film Technology

Core Technology Advantages


Parameter

Conventional Metal Heaters

HJ-TC PI Heating Film

Improvement

Thickness

0.3-1.0 mm

0.05-0.2 mm

6× thinner

Bend Radius

>10 mm

<3 mm

70% more flexible

Power Density

0.5-1.5 W/cm²

1.5-3.0 W/cm²

2× efficiency

Response Time

10-30 s

3-8 s

75% faster

Temperature Uniformity

±3.0°C

±1.5°C

50% more precise

Dynamic Flex Cycles

<1,000

>10,000

10× durability

 



Key Innovations

 

1. Multilayer Architecture

Nanoparticle-enhanced PI substrate (20% higher thermal conductivity)

Precision silver ink patterning (Rz <5μm surface roughness)

Embedded NTC sensors (±0.5°C closed-loop control)

 

2. Thermal-Mechanical Optimization

FEA-validated trace geometry reduces peak stress by 35%

Anisotropic thermal interface materials (0.4 K·cm²/W resistance)

 

Industry-Specific Applications

 

1.Medical Wearables

 

Continuous glucose monitors: Maintains 37±0.3°C for enzyme stability

Cardiac patches: 0.1 mm thick, survives 200,000 chest expansion cycles

 

2.Consumer Electronics

 

AR gloves: 5-zone heating with 100 ms response

Smart rings: 0.3W standby power for all-day heating

 

Technical Differentiation

 

Electro-Thermal Efficiency

92% energy conversion ratio (vs. 78% in metal foil heaters)

 

 

PWM-controlled power delivery (0.1W resolution)

Reliability Performance

Passes MIL-STD-810G mechanical shock testing

10-year lifespan at 85°C/85% RH

Next-Gen Development

 

Graphene hybrid electrodes(target: 5 W/cm² power density)

 

Self-regulating PTC behavior(eliminates controller need)

 

Stretchable variants(300% strain capability)

 

Explore Solutions:HJ-TC PI Heating Films

 


华晶LOGO-04.jpgContact Our Thermal Experts:


📞 +86 18575222950 (WeChat/WhatApps)

📧 EMAIL: sale02@hj-tc.com

🌐 Browse products: https://www.huajingtc.com (Huajing Cooling Solutions)

📍 Address: SHENZHEN 3/F No.5 Building,Yesun Pingshan Life and Health Technology Park, No. 19 Linhui Road,Pingshan District, Shenzhen, Guangdong,CN.

Optimize your laser system's performance with Huajing's advanced thermoelectric cooling technology.


 


Follow us

Looking for more
information?

let's talk
Tel:

0755 23405284

Email: sale02@hj-tc.com

Add: 3/F No.5 Building,Yesun Pingshan Life and Health Technology Park, No. 19 Linhui Road,Pingshan District, Shenzhen, Guangdong,CN.

©2019- 2024 Huajing Co.,Ltd.Copyright