On the insistence of Mr. Kay Lin Bo-Shih, the former chairman of TECO in 1974, and despite of the fact that only very few had any knowledge about IC, TECO invested in UMC and became the largest private shareholder of UMC.
Also, in the same year, the 14-inch monitor of TECO gained the appreciation of IBM, which unveiled the OEM information by way of commissioning TECO to manufacture products according to the blue prints designed by IBM.