US 7,611,578 B2
Processes of forming small diameter rods and tubes
Finlay Doogan Morrison, Cambridge (United Kingdom); and James Floyd Scott, Cambridge (United Kingdom)
Assigned to Cambridge Enterprise Ltd., (United Kingdom)
Appl. No. 10/544,816
PCT Filed Feb. 05, 2004, PCT No. PCT/GB2004/000452
§ 371(c)(1), (2), (4) Date Jun. 28, 2006,
PCT Pub. No. WO2004/070443, PCT Pub. Date Aug. 19, 2004.
Claims priority of application No. 0302654.9 (GB), filed on Feb. 05, 2003.
Prior Publication US 2006/0249070 A1, Nov. 09, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. C30B 21/02 (2006.01)
U.S. Cl. 117—68  [117/69; 117/71; 117/74] 21 Claims
OG exemplary drawing
 
1. A method for the production of a photonic device comprising providing a substrate, forming in the substrate substantially straight pores, lining or filling the pores with a lining material, and removing part but not all of the substrate material so that an array remains of tubes or rods of the lining material.