E.i. Dupont De Nemours and Company

Thomas D Lantzer

Dilip Natarajan

Charles Anthony Smith

Jay Robert Dorfman

Arthur Harvey Mones

Richard R Draudt

Steven Alcus Threefoot

David L Sutton

A back-contact solar cell module and a process for making such a solar cell module are provided. The module includes a porous wire mounting layer with a plurality of elongated electrically conductive wires mounted thereon. A polymeric encapsulant layer is provided between a rear surface of solar cells of the module and the porous wire mounting layer and is melted to adhere to the solar cells and penetrate the porous wire mounting layer. Back electrical contacts on the solar cells are electrically connected to the electrically conductive wires through the porous wire mounting layer.

Back contact photovoltaic module with integrated circuitry

A process for making a back-contact solar cell module is provided. Electrically conductive wires of an integrated back-sheet are physically and electrically attached to the back contacts of the solar cells of a solar cell array through openings in a polymeric interlayer dielectric layer using an electrically conductive binder before thermal lamination of the module.

Integrated back-sheet for back contact photovoltaic module

The invention is directed to a method for rapidly forming a dense pattern of via holes in multilayer electronic circuits in which via holes in the dielectric layers are formed by drilling with an excimer laser under controlled operating conditions.

Method for forming via holes in multilayer circuits

Hole formation in a polyimide substrate employs a carbon dioxide laser.

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Wake Forest, NC, United States of America

Thomas D Lantzer