Laser direct imaging full printing circuit
A technology of direct laser imaging and full printing, applied in the direction of comprehensive factory control, conductive pattern formation, electrical program control, etc., can solve problems such as complex process, three wastes, environmental pollution, etc., achieve high product qualification rate, improve product quality, process The effect of process optimization
Inactive Publication Date: 2011-09-14
鞍山市正发电路有限公司
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[0019] Laser direct imaging full printed circuit, using laser direct imaging additive method full printing technology, processing and making circuit graphic template through laser direct imaging technology, placing the circuit graphic template on the substrate, coating conductive ink, and forming a printed circuit after curing and sintering graphics.
[0020] 1. Laser imaging technology includes laser drive circuit, laser control system, and laser temperature control system. The details are as follows:
[0021] See figure 1 , The laser drive circuit includes a transformer, a rectifier circuit, a filter circuit, a slow start circuit, a steady current circuit, a laser protection circuit, an overvoltage protection circuit, an electronic switch, and a start control circuit; the transformer, rectifier circuit, filter circuit, and slow start circuit are connected in sequence , the slow start circuit is respectively connected to the steady current circuit, the laser protection circu...
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The invention relates to a laser direct imaging full printing circuit. By adopting a laser direct imaging addition process full printing technology, a circuit diagram formwork is processed and fabricated by a laser direct imaging technology; the circuit diagram formwork is arranged on a substrate, coated with a conductive printing ink, solidified and sintered to form a printing circuit board diagram; a laser control system comprises a main control single chip microcomputer, a high-speed position generator, a modulation frequency generator, a signal selector, a modulation signal driving unit, and an upper machine; the main control single chip microcomputer is connected with the high-speed position generator, the modulation frequency generator, the signal selector and the upper machine respectively; the signal selector is connected with the upper machine, a fixed square wave generator, and a modulation signal driving unit respectively; the modulation signal driving unit is connected with a laser; and a controlled constant current source is connected with the main control single chip microcomputer so as to provide with a power supply to the laser. The product of the laser direct imaging full printing circuit has the advantages of good product quality, high reliability, short technology flow and the like, and can achieve the effect of saving energy and reducing emission.
Description
technical field [0001] The invention relates to a laser imaging fully printed circuit, which is a process for producing a screen printing template by using laser imaging and using an additive process to produce a PCB circuit board. Background technique [0002] In recent years, with the rapid development of the electronics industry, the demand for PCB printed circuit boards has greatly increased, and the production of PCBs has become the main basic industry of the electronics industry. my country has become the second largest producer of circuit board industry in the world, and the water consumption of PCB industry is the largest in the world. Moreover, it increases at a rate of 20% every year, and the water consumption is large, which is easy to cause pollution to the environment. Therefore, eliminating the subtractive production process and adopting the additive process to produce PCB printed circuit boards can shorten the production process, eliminate waste liquid, impro...
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Login to View More IPC IPC(8): H05K3/12G05B19/418B22F3/105
CPCY02P10/25
Inventor 张健沈剑莹于广泽孟令旗李江华杨曾光
Owner 鞍山市正发电路有限公司