TWI745727B - Laser processing apparatus - Google Patents

Abstract

A laser processing apparatus is disclosed, which includes enclosure, water tank, processing machine, oscillator and feeder. Top of the enclosure is connected to the top of water tank by screw. Front wall of the enclosure is connected to the rear wall of processing machine by screw. Top of processing machine is connected to the bottom of oscillator. Right wall of oscillator is connected to the left wall of feeder by screw. Front wall of enclosure is connected to an unloading machine. Top of processing machine has a top board which has groove on its top. Inside the groove has a touch panel and display screen. Rear wall of feeder is connected to a drying machine by screw. Top of drying machine is connected to a vacuum adsorption device by screw.

Description

Laser process equipment

The invention relates to the technical field of electronic equipment, in particular to a laser manufacturing process equipment.

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components.

Due to the rapid improvement of electronic technology, the high-density interconnect technology (HDI, High Density Interconnect) board market in printed circuit boards has developed rapidly. The use of high-end HDI boards includes the third-generation mobile communication technology (3rd-Generation, 3G) boards. Or integrated circuit (IC) carrier boards will grow rapidly in the future, and 3G boards need to have high-speed transmission, multi-function, and high-integration high-density wiring and high-frequency transmission brought about by the development.

However, the existing high-end HDI panels have a three-layer structure with more and denser holes, which increases the difficulty of production and processing. The conventional technology must be used to connect the first layer, the second layer and the third layer. Realized by the second laser, after laser, drilling, electroplating, outer layer, pressing and laser, the number of manufacturing processes is large, and the production cycle is longer.

The purpose of the present invention is to provide a laser process equipment to solve the problem that the existing high-end HDI plates proposed in the background art have more and more dense holes, which increases the difficulty of production and processing. In order to connect the first and third layers, the conventional technology can only be realized by two lasers. After laser, drilling, electroplating, outer layer, pressing and laser, the number of processes is large and the production cycle is longer. problem.

In order to achieve the above objective, the present invention provides the following technical solutions: a laser process equipment, comprising a casing, a water tank, a processing machine, a vibrator and a feeder, the top of the casing is fixedly connected to the top of the water tank by bolts, the casing The front side wall is fixedly connected with the rear side wall of the processing machine by bolts, the top of the processing machine is fixedly connected with the bottom of the vibrator by bolts, and the right side wall of the vibrator is connected with the feeder by bolts. The left side wall is fixedly connected, the front side wall of the housing is fixedly connected with a cutting machine by bolts, the top of the processing machine is welded with a top plate, the top of the top plate is provided with a groove, and the inner cavity of the groove is inlaid with a touch panel and On the display screen, the back wall of the feeder is fixedly connected with a dryer by bolts, and the top of the dryer is fixedly connected with a vacuum suction device by bolts.

Preferably, a water outlet pipe port is reserved on the rear side wall of the water tank.

Preferably, the bottom of the cavity of the vibrator is fixedly connected with a total reflection mirror, an air laser dielectric plate and a partial reflection mirror by bolts, and the installation height of the total reflection mirror is the same as that of the air laser dielectric plate and the part. The installation height of the reflector is the same, the top plate and the bottom plate of the air laser dielectric plate have the same thickness, and the center point of the air laser medium plate is on the same horizontal line as the center point of the partial reflector.

Compared with the prior art, the beneficial effect of the present invention is: this kind of laser process equipment, through the combined use of accessories, uses the additional gas laser dielectric plate to cooperate with the total reflection mirror and part after periodic high voltage input. The reflector is used to disperse the laser, so that the laser injection process can be realized at one time. Without the need for a second laser, the conventional processes of laser, drilling, plating, outer layer, pressing and laser can be compressed, and the manufacturing process can be reduced. Number, improve production efficiency.

100: shell

110: Cutting machine

200: water tank

300: processing machine

310: top plate

311: Touchpad

312: display screen

400: Vibrator

410: Total reflection mirror

420: Gas laser media plate

430: Partial mirror

500: feeding machine

510: Dryer

520: Vacuum adsorption device

Fig. 1 is a schematic diagram of the structure of the present invention; Fig. 2 is a schematic diagram of the internal structure of the vibrator of the present invention.

Hereinafter, each embodiment of the content of the present invention will be described in detail, and the drawings will be used as examples. In addition to these detailed descriptions, this case can also be widely implemented in other embodiments. Any easy substitutions, modifications, and equivalent changes of the embodiments are included in the scope of this case, and the subsequent patent scope shall prevail. . In the description of the specification, in order to enable the reader to have a more complete understanding of the case, many specific details are provided; however, the case may still be implemented under the premise of omitting some or all of these specific details. In addition, well-known steps or elements are not described in the details to avoid unnecessary limitation of the case. The same or similar elements in the drawings will be represented by the same or similar symbols. It should be noted that the drawings are for illustration only, and do not represent the actual size or quantity of the components, unless otherwise specified.

Please refer to Figures 1 and 2, the present invention provides a laser process equipment, through the combined use of accessories, can reduce the number of processes, improve production efficiency, which includes a housing 100, a water tank 200, a processing machine 300, a vibrator 400 and 500 on the feeder.

Please refer to FIG. 1 again. The front side wall of the casing 100 has a blanking machine 110. Specifically, the front wall of the casing 100 is fixedly connected with the blanking machine 110 by bolts, and the blanking machine 110 is convenient for blanking.

Please refer to FIG. 1 again. The bottom of the water tank 200 is fixedly installed with the housing 100. Specifically, the top of the housing 100 is fixedly connected with the top of the water tank 200 by bolts, and the water tank 200 is convenient for cooling water to circulate. The water tank 200 is located on the left side of the processing machine 300 and the vibrator 400, and the water tank 200 is located on the blanking The top of the machine 110.

Please refer to FIG. 1 again. The left side wall of the processing machine 300 is fixedly installed with the housing 100. Specifically, the front side wall of the housing 100 is fixedly connected with the rear side wall of the processing machine 300 by bolts, and the top plate 310 is welded on the top of the processing machine 300. , The top of the top plate 310 is provided with a groove, which is convenient for generating a cavity, and the inner cavity of the groove is inlaid with the touch pad 311 and the display screen 312.

1 and 2, the bottom of the vibrator 400 and the top of the processing machine 300 are fixedly installed. Specifically, the top of the processing machine 300 is fixedly connected to the bottom of the vibrator 400 by bolts. A total reflection mirror 410, a gas laser dielectric plate 420 and a partial reflection mirror 430 are fixedly connected to the bottom of the inner cavity by bolts.

Please refer to FIG. 1, the left side wall of the feeder 500 is fixedly installed with the vibrator 400. Specifically, the right side wall of the vibrator 400 is fixedly connected with the left side wall of the feeder 500 by bolts, and the feeder 500 A dryer 510 is fixedly connected to the rear side wall by bolts, the dryer 510 is convenient for drying, and the top of the dryer 510 is fixedly connected with a vacuum adsorption device 520 by bolts.

In specific use, those skilled in the art first start from the inner layer cutting, prepare the experimental tracking sheet together with the ordinary mass-produced board, and then make the subsequent processes, in which each process has quality assurance professionals to check the quality, and The final shipment must pass the quality assurance random inspection before it can be shipped. The product is controlled during the production process, such as the control of the blind hole diameter, the quality confirmation of the automatic optical inspection (Automated Optical Inspection, AOI) scanning, and the elimination of defective products. Flow into the next process for testing and tracking, such as temperature cycle (TCT) testing, interconnect strength testing (IST) testing, ion contamination level testing, peeling strength testing, peeling (PEELING) testing, alignment testing , Test of high temperature and high humidity experiment, test of infrared reflux (IRREFLOW) experiment, etc.

Please refer to FIG. 1 and FIG. 2. During operation, the printed circuit board is placed on the loader 500. During processing, the printed circuit board is automatically placed on the processing platform of the processing machine 300 by the vacuum suction device 520. The machine 300 performs laser processing. Among them, the vibrator 400 is to complete the generation and emission of the laser. In the process again, the additional gas laser dielectric plate 420 is used to cooperate with the total reflection mirror 410 and the partial reflection mirror 430 for laser dispersion, so that the laser The injection process is realized at one time. The printed circuit board that has completed the laser process in the processing machine 300 is cooled by the water tank 200 and then sent out by the blanking machine 110.

Then, the dryer 510 can dry the processing environment and discharge the emitted heat, and the water tank 200 performs a cooling water circuit. The production line is fully automatic and continuous production. Operators only need to perform data control, quality inspection, and parameter adjustment control. The main production process can be completed automatically; the batching process is well sealed, and the feeding is controlled by computer.

Please refer to FIG. 2, in order to make the laser transmission process continue to be effective, specifically, the installation height of the total reflection mirror 410 is the same as the installation height of the gas laser dielectric plate 420 and the partial reflection mirror 430.

Please refer to FIG. 2, in order to make the process evenly distributed, specifically, the top and bottom plates of the gas laser dielectric plate 420 have the same thickness, and the center point of the gas laser dielectric plate 420 and the center point of the partial reflector 430 are on the same horizontal line. .

Please refer to FIG. 1 again. In order to make the internal water source of the water tank 200 circulate, specifically, a water outlet is reserved on the rear side wall of the water tank 200.

To sum up, the laser process equipment provided by the present invention uses a combination of accessories and uses an additional gas laser dielectric plate to cooperate with the total reflector and the partial reflector to perform the laser after the periodic high voltage is input. The laser is scattered, so that the multi-layer structure can be opened up in one shot of the laser, and the conventional processes of laser, drilling, electroplating, outer layer, pressing and laser can be made without the need of a second laser. Get compressed, reduce the number of processes, and improve production efficiency. Therefore, it is suitable for boards with more and denser holes, such as high-end HDI boards with a three-layer structure.

Although the present invention has been described above with reference to the embodiments, without departing from the scope of the present invention, various modifications can be made thereto and the components therein can be replaced with equivalents. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any manner. The description of these combinations is not exhaustive in this specification. Out of consideration of omission of space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

100: shell

110: Cutting machine

200: water tank

300: processing machine

310: top plate

311: Touchpad

312: display screen

400: Vibrator

500: feeding machine

510: Dryer

520: Vacuum adsorption device

Claims (2)

A laser process equipment, which is a laser process for a multilayer printed circuit board, includes a casing, a water tank, a processing machine, a vibrator and a feeder, wherein the top of the casing is fixedly connected with the top of the water tank by bolts, The front side wall of the housing is fixedly connected with the rear side wall of the processing machine by bolts, the top of the processing machine is fixedly connected with the bottom of the vibrator by bolts, and the right side wall of the vibrator is connected with the loading material by bolts. The left side wall of the machine is fixedly connected, and the front side wall of the housing is fixedly connected with a cutting machine by bolts. The water tank is located on the left side of the processing machine and the vibrator, and the water tank is located on the top of the cutting machine. The top of the loader is welded with a top plate, the top of the top plate is provided with a groove, and the cavity of the groove is inlaid with a touch panel and a display screen. The rear wall of the feeder is fixed with a dryer by bolts. The top is fixedly connected with a vacuum suction device by bolts, and the bottom of the cavity of the vibrator is fixedly connected with a total reflection mirror, an air laser dielectric plate and a partial reflection mirror by a bolt. The installation height of the total reflection mirror is equal to the The installation height of the air laser dielectric plate and the partial reflector is the same, the top plate and the bottom plate of the air laser medium plate have the same thickness, and the center point of the air laser medium plate is on the same horizontal line as the center point of the partial reflector; The printed circuit board is placed on the loading machine. During processing, the printed circuit board is placed on the processing platform of the processing machine by the vacuum suction device, and the processing machine is used for laser processing. In this process, the The gas laser medium plate cooperates with the total reflection mirror and the partial reflection mirror to perform laser dispersion. The printed circuit board that has completed the laser process in the processing machine is cooled by the water tank and then sent out by the cutting machine. For the laser process equipment described in item 1 of the scope of patent application, a water outlet is reserved on the rear side wall of the water tank.

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