“But if you put a sapphire film on metal it can be scratch-resistant. “We were working on sapphires for separate research then and tried to make a hard sapphire film out of curiosity. “We are fortunate that the (Hong Kong) government, which encourages entrepreneurship, decided to fund us for the project. Growing up near Chowrasta market and then Thean Teik Estate in Penang, Prof Cheah moved to England to further his studies in 1970. “After some years in the industry, I wanted to teach and moved to Hong Kong to pursue that career.

Source: The Star April 07, 2021 00:20 UTC