Medical Electronics Symposium Conference Proceedings


REEL-TO-REEL MASS PRODUCTION FOR DISPOSABLE SENSORS BY LASER ABLATION

Authors: Dieter J. Meier and Nils Heininger
Company: LPKF Laser & Electronics AG
Date Published: 5/19/2004   Conference: Medical Electronics Symposium


Abstract: The medical electronics field is pushing the state of the electronics industry and embracing emerging technologies. Diagnostics and Monitoring are constantly expanding. At the same time the demand for higher integration density and more functionality is dramatically increasing. This does not only effect complex, powerful and expensive diagnostic machines, but also simple, mass-produced, use-once sensors.

To extend the utility of such disposables, it is necessary to provide a low cost manufacturing technology that enables fine structures with high resolution to be produced in high volume.

Laser ablation by mask projection is such a technology for the mass production of conductive fine line structures, which closes the gap between the classical photolithographic processes and the semiconductor technology. Depending on the material used, lines and spaces down to 15 micron for thin metal film (Au, Ag, Cu, Pd) or thin organic layers can be produced. Due to its simple process mechanism, laser ablation combines precision and economic efficiency. In combination with reel-to-reel web-handling the ultimate engineer’s dream comes true: higher performance at lower production costs.

Key words: medical disposable sensors, laser ablation, reel to reel processing.



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