UV absorbing glass cloth and use thereof

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device

Reexamination Certificate

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C430S319000, C156S060000, C428S901000

Reexamination Certificate

active

07070909

ABSTRACT:
The glass transmittance of UV light having a wavelength of 365 nanometers is reduced by compounding an oxide or salt of at least one of Fe, Cu, Cr, Ce, Mn and mixtures thereof. The fiberglass cloth can be used for providing reinforced prepregs used in producing printed circuit boards or laminated chip carrier substrates.

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