Minnesota Mining and Manufacturing Company

Bruce A Sventek

Gary Timothy Boyd

Nang T Tran

Tzu-Chen Lee

Kenneth R Paulson

Elisa M Cross

Laura A Weller-Brophy

The growth of a phosphor layer deposited on a patterned substrate containing a multiplicity of recessed ridges of triangular cross section can be controlled by tailoring the geometry of the recessed ridge structures. During the deposition process, little or no phosphor deposition occurs on the recessed ridge structures, and cracks are formed which separate the otherwise uniformly growing phosphor which is present in other regions of the patterned substrate where more substantial phosphor deposition occurs.

Process for forming a phosphor

An integrated optical coupler comprises a substrate with fiber-aligning grooves and waveguiding channels and a covering with complementary grooves and, optionally, channels. These couplers can be made from reproducible masters and electroplated molds made from those masters.

Integrated optical fiber coupler and method of making same

Growing community of inventors

Saint Paul, MN, United States of America

Bruce A Sventek