| 摘要 |
PCT No. PCT/GB97/01509 Sec. 371 Date Jun. 28, 1999 Sec. 102(e) Date Jun. 28, 1999 PCT Filed Jun. 4, 1997 PCT Pub. No. WO97/48557 PCT Pub. Date Dec. 24, 1997A method of forming a three-dimensional feature on a surface using the technique of drop ejection to deposit droplets of deposition material. The method comprises depositing a plurality of droplets on the surface to form a feature comprising multiple discrete portions, adjoining portions being formed from different deposition material. Examples of such a feature include a Braille character and a multi-layer optical device. |
