Materials Technology in Kyoto Bow

Abstract

Production technology in traditional industries is inherited in the form of " remember while watching the back of the master." It is a knowledge base of the form of "tacit knowledge", and they need to be formalized by the power of science and technology. Movement of experts is recorded using an infrared camera. The position in the space of the marker affixed to each part of the body of the subject is acquired as digital data.In this report, Kyoto bow showed examples that formalized the tacit knowledge of manufacturing in traditional industries. Kyoto bow is a Japanese bow often used for archery enthusiasts. Mr. Shibata is the 21st bow priest. In order to elucidate the tacit knowledge, he possessed, vibration tests and bending tests were conducted. Test results proved that materials with high modulus of elasticity were chosen when Mr. Shibata chooses materials.

Silicon flower structures by maskless plasma etching

“…Although the wet method exhibits a higher throughput, dry method exhibits a better profile performance and is widely applied in the semiconductor industry. Sulfur hexafluoride (SF 6 ) is typically used as an etchant in dry silicon etching [ 14 , 15 ], and maskless plasma etching technology can reduce the cost of silicon microstructure fabrication because photolithography is expensive and complicated [ [16] , [17] , [18] ].…”