Screen Printable Conductive Inks

The conductive inks are mainly used to create flexible and portable electronic devices, through screen printing. The readily available technologies include silver, gold, copper, nickel, aluminium and carbon nanotubes. These conductive inks are mainly used in the following applications.

• Textile wearables used in health monitoring systems

• Printed heaters for car seats and thermotherapy

• Hybrid electronic multilayer modules

• RFID antennas for asset monitoring and mobile health assessment

• Metallization of silicon solar cells

• Printed keyboards for portable electronics

• Conductive traces for touch screen sensors used in mobile phones

• Conductive coating for EMI shielding

Conductive inks are primarily utilized in the creation of flexible and portable electronic devices through screen printing. They leverage various materials, including silver, gold, copper, nickel, aluminum, and carbon nanotubes, to deliver high conductivity. The main applications of conductive inks include:

• Textile Wearables: Integration into health monitoring systems for tracking vital signs.
• Printed Heaters: Used in car seats and thermotherapy systems to provide controlled heating.
• Hybrid Electronic Multilayer Modules: Essential for compact and advanced electronic designs.
• RFID Antennas: Enable asset monitoring and mobile health assessments.
• Silicon Solar Cells: Used in metallization to enhance efficiency and performance.
• Printed Keyboards: For portable electronic devices like laptops and tablets.
• Touch Screen Sensors: Creation of conductive traces in mobile phone screens.
• EMI Shielding: Provides conductive coatings for electromagnetic interference protection.

These inks are pivotal in advancing flexible electronics and improving the functionality of modern devices.

Specifications

• Electrical conductivity: >104 S/m for conductive inks/pastes

• Viscosity: 10-50 Pa.s

• Cure Temperature: 100-200oC

• Substrate: Paper, fabric, plastic or ceramic

Standards

• Adhesion: ISO 2409 (no material removed)

• Viscosity: Shear thinning (non-Newtonian)

• Conductivity: Positive temperature coefficient (PTC) of resistance