Location History:
- Kajang, MY (2015)
- Selangor, MY (2016)
Company Filing History:
Years Active: 2015-2016
Title: Innovations of Rosidah Alias in Waveguide Technology
Introduction
Rosidah Alias is a notable inventor based in Selangor, Malaysia, recognized for his contributions to waveguide technology. With a total of three patents to his name, he has made significant advancements in the field, particularly in processes involving low-temperature co-fired ceramics (LTCC) substrates.
Latest Patents
His latest patents include innovative processes for forming waveguides using LTCC substrates. These processes describe the use of multiple co-planar layers of LTCC substrates, which feature registration holes that assist in aligning the layering of the substrates. Arrays of circuit patterns are printed on each substrate, with each circuit consisting of conductor patterns and/or via holes. Cavity alignment holes are formed around the periphery of each circuit, allowing for the printing of alignment marks for vision inspection. Additionally, circuit orientation holes enable the printing of orientation marks to identify the circuits' orientation in the final waveguide. Substrate orientation holes facilitate the printing of marks on one side of each substrate for alignment during screen printing. These in-process vision inspections and quality assurance tests significantly enhance product quality and process yields.
Another notable patent is a screen printing system with positional alignment. This system is designed for aligning a substrate with a screen mask, utilizing two registration holes on both the substrate and the screen mask to facilitate positional alignment. The method involves calculating alignment values to correct the substrate's position based on the determined