Second-order temperature control instrument
A temperature controller and temperature controller technology, which are applied in temperature control, control/regulation system, non-electric variable control and other directions, can solve the problems of wafer cracking and the inability to improve the product qualification rate, so as to improve the wafer qualification rate and solve the problem of wafer cracking. Cracked, easy-to-operate effect
Active Publication Date: 2015-02-25
北京石晶光电科技股份有限公司
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Problems solved by technology
[0002] After the crystal wafer has been processed by sticking mounds and subsequent processes, it is necessary to dissolve the paraffin-bonded crystal mounds into pieces at a water temperature of 70 degrees Celsius. However, when the crystal mounds at room temperature enter the water at 70 degrees Celsius, Rapid temperature changes can easily cause a part of the wafer to break, resulting in a failure to improve the product yield.
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[0007] The technical solutions of the present invention will be described in further detail below through specific implementation methods.
[0008] like figure 1 As shown, a second-order temperature controller includes self-locking relay J1, output relay J2, self-locking relay J3, initialization delay relay SJ1, first-order temperature delay relay SJ2, second-order temperature working time relay SJ3 , The first-order digital display temperature controller WK1, the second-order digital display temperature controller WK2, the normally open button switch KA1, the normally closed button switch KA2 and the heating resistor R;
[0009] Among them, the self-locking relay J1, the output relay J2, the self-locking relay J3, the initialization delay relay SJ1, the first-stage temperature delay relay SJ2, the second-stage temperature working time relay SJ3, one end of the coil of the first-order digital display temperature controller WK1 and the second-order digital display temperature ...
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The invention provides a second-order temperature control instrument which comprises a latching relay J1 used for controlling on and off of a power source, an output relay J2, a latching relay J3, an initialization time delay relay SJ1, a first-order temperature time delay relay SJ2, a second-order temperature working time relay SJ3, a first-order digital display temperature control instrument WK1, a second-order digital display temperature control instrument WK2, a normally open push button switch KA1 and a normally closed push button switch KA2, and a heating resistor R, wherein two ends of the heating resistor R are respectively connected with two ends of the power source. The second-order temperature control instrument has the advantages of being scientific in design, convenient to use, time-saving and labor-saving, high in production efficiency and product qualified rate.
Description
technical field [0001] The invention relates to a crystal crystal mound-forming device, in particular to a second-order temperature controller. Background technique [0002] After the crystal wafer is processed by sticking and subsequent processes, it is necessary to melt the paraffin-bonded crystal ingot into pieces at a water temperature of 70 degrees Celsius. However, when the crystal ingot at room temperature enters the water at 70 degrees Celsius, Rapid temperature changes can easily cause a part of the wafer to break, so that the yield of products cannot be improved all the time. In order to solve the above existing problems, people have been seeking an ideal technical solution. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies of the prior art, thereby providing a second-order temperature controller with scientific design, convenient use, time-saving and labor-saving, high production efficiency and high product q...
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IPC IPC(8): G05D23/24
Inventor 许建峰赵玉宏
Owner 北京石晶光电科技股份有限公司