According to Tokyo university research and development institute T·Fujioka reported 1992, japanese CO<SUB<Machine of SUB> laser beam machining year sale is 55.8 billion yen, machine of YAG laser beam machining year sale is 17.7 billion yen, tot 73.5 billion yuan of day. Machine of CO2 laser beam machining basically applies at cut and stiletto (hold total stage number 94.8% ) , solder (2.8% ) ; And machine of YAG laser beam machining basically applies at mark (34.5% ) , solder (27.7% ) , fine tuning (10% ) with cut, stiletto (8.9% ) . Japanese made the manufacturer of CO2 laser has 60, the main production firm that produces engine of CO2 laser beam machining is 3 water chestnut the electric, Amada and Mazak company below electric, pine, take market of Japanese laser beam machining 70% the left and right sides. Additionally company of German Rofin-Sinar laser and Japanese Marubeni reach joint venture of Nippei Toyama company; Company of Trumpf laser technology and Japanese Ishikawa island are sowed grind the joint venture that weigh labour, this shows machine of CO2 laser beam machining already entered market of Japanese laser beam machining. Japanese made of YAG laser have Japan 30 manufacturer homes such as TV of electric, Fuji, Toshiba. The CO2 laser that makes an appointment with 70-80% is used at cut, the YAG laser that has 70% about is used at electronic industry. Additional, according to statistic, till 1995 Japan already built station of 1500 laser beam machining. Close the coming year, increase by degrees with building the speed of Home 200-300 every year to be in.
Japanese laser medical treatment only then at Ar laser eye ground Nd of knife of laser of caky, surgical carbon dioxide, internal medicine: YAG laser endoscope greeted light energy heat to use laser medical treatment generation. As the progress of laser technology, stimulate actinic benefit cure to be born, open up laser iatrical broad road, nowadays, japan used laser in domain of all medical treatment.
Japan uses Nd: Times frequency of YAG laser (532nm) medical laser, its base wave power is 60W, harmonious wave power makes an appointment with 20W, pass KTP commutation wavelengh, use extensively on medical treatment already.
Er: The 2.94 micron of YAG laser are smooth be waited for more easily by water, Ca, P than the 10.6 micron of carbon dioxide laser be absorbed, multi-purpose at incision, excision juicy body parenchyma reachs bone incision art, function greatly knife of laser of excel carbon dioxide. As a result of OK and fiber-optic conduct, henceforth, the fiber of stable smooth power that is like 3 micron belt develops a success, be not those who be used at the department having inside body cavity operation of incision, excision. In addition, rare earth kind elemental Ho: YAG laser already also began to use.
Japanese benefit treats cancer with laser very active, basically be the dye laser of Ar laser drive, flashlight drive, accurate element drive. As the development of fiber-optic technology, their dispute incision treats the epoch-making new measure of the cancer inside body cavity, still can treat blood vessel narrow, out-of-the-way, bring revolution to heart surgery. Fiber-optic and celiac lens is on applied orbit smoothly already, the disease inside the abdominal cavity of art of not do a hand's turn has laser remedy, it is important to be had to the Japan of senile population structure, real significance.
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