The supply chain of Taiwan’s small and medium-sized semiconductor chipmakers could be interrupted by an escalation in tensions between Russia and Ukraine, two key suppliers of raw materials, an analyst said on Sunday. Ray Yang (楊瑞臨), a supervisor at the Industrial Technology Research Institute’s (工業技術研究院) Industrial Economics and Knowledge Center, said that the tensions might lead to a reduction of critical raw materials exported from Russia and Ukraine for chip manufacturing. Materials possibly affected include palladium, neon and C4F6, having been mentioned earlier th...