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PulseForge® Soldering

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PulseForge® Soldering on Low Temperature Substrates in Milliseconds

A collaboration between NovaCentrix and the Holst Centre. PulseForge® Soldering enables the soldering of standard lead-free solder pastes on low-cost, temperature sensitive substrates such as paper and PEN in milliseconds.

PulseForge Soldering Example No Caption

Utilizing PulseForge soldering technology, we were able to solder LEDs, resistors and capacitors onto conductive ink traces in a matter of milliseconds.
These were soldered using traditional solder paste SAC 305.

How It Works

  Solder paste is heated indirectly through a light-absorbing layer and components.   High contrast ratio absorption between layers allows for selective heating.
  Pulses of high intensity light are used in place of a reflow oven to heat the solder to its liquidus temperature in milliseconds without damaging the underlying substrate.   High energy doses can be applied without damaging conductive tracks by protecting them with light-reflecting layers.

How It Is Better

  Multiple types of components requiring different levels of heat can be soldered simultaneously.   Processing is much faster than reflow soldering and is roll-to-roll compatible.
  Enables the use of standard lead-free solder pastes on temperature sensitive substrates – not possible with any other processing method.

 

About NovaCentrix

Headquartered in Austin, TX, NovaCentrix offers industry leading photonic curing tools, conductive inks, material and expertise enabling development and production of next generation printed electronic devices.

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