IoT Visual RegisteringThin Film Screen Printer (max sheet size 600x700 mm)
Standalone automation is configured with in /output structure and camera registration...
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Screen Printing Machine is used to print solder mask, legend, wet-film plug-via process to make PCB
ATMA screen printing machine for PCB application
Silk-screen printing is crucial processing of PCB fabrication such as solder mask, legend or marks, wet-film plug-via processing. ATMA is dedicated to providing screen printing solutions for various types of rigid or flexible PCBs like single layer or multi-layer PCBs, and single-sided or double-sided PCBs
Silkscreen Printing of PCBs solution applied rigid and flexible PCB printing approaches and processing
ATMA fully automatic PCB screen printing line is dedicated to handling rigid PCB with thickness 0.5 ~ 4.0 mm for printing plug-via, solder mask， and legend process. The automatic printing line is a modular design and work station can be selected according to customer processing requirements and layout footprint limitations, the line is connected with upstream processing for image exposure or etching and downstream drying inline processing to attain massive production to save labor and lower production cost. Moreover, ATMA automatic Roll-to-Roll screen printing is used to handling flexible PCB printing solder mask and legends for high batch productivity. Visual system is equipped to detect fiducial targets on screen and substrate at the same time for precise registration to adapt high speed printing with high yield rate. Also, the equalized pressure and adjustable mechanical device for squeegee / flood coater attains printing uniform ink layer and fineline. ATMA screen-printer portfolio includes semi-automatic, standalone automatic machine， and fully automatic printing line which can be incorporated into inline production to save labor with digitized management.PCB Legend Text Printing
Legend or mark can be printed onto single-sided or double-sided PCB and single or multi-layer PCB. Except for the elements of the screen, ink， squeegee, etc. influencing printing quality, the stability and functionality of the machine are also important to collocate with screen, ink viscosity， and squeegee to present overall quality printing. ATMA screen-printer provides versatile features with digitalized control of the printing parameters to support the unskilled operator to handle clear and delicate fine line printing at narrow space in between circuits or patterns on PCB.Solder Mask Printing is applied to PCBs
Liquid photo imageable solder resist ink is usually applied to the copper traces of a printed circuit board (PCB) for protection against oxidation and to prevent solder bridges from forming between closely spaced solder pads. ATMA screen printing machine is equipped with double squeegee and double peel-off with digital setting the recipe parameters, adding features of the adjustable squeegee skew angle and pressing pressure can control printing uniform ink layer thickness to present good outlook appearance on PCB.Plug via Process for Printed Circuit Board Manufacturing
Plug-via printing is used to make an electrical connective between the layers of a multi-layer PCB. Connecting multiple layers of a board makes it possible to reduce the size of the PCB, as layers can be stacked. ATMA screen printer is specially designed for the robust structure to support high-pressure printing plug-via with high ratio aspect for through-hole via and buried via process, plug-via fills up holes completely without air bubble blowout upon drying. ATMA also has a special screen printer with a vacuum chamber to handle blinds via a micro holes process to satisfy PCB fabrication.Flexible PCB Printing:
Flexible circuits are typically manufactured using a polyimide (Kapton) material and one to multiple layers of copper. The copper foil was processed by etching treatment to emerge fine line circuits, legend (or marks)， and solder mask is printed afterward. ATMA provides two solutions for printing solder mask, legend (or marks), silver and carbon paste onto flexible PCB like flatbed and roll-to-roll screen printing as stated below :
1.ATMA flatbed screen printer is suitable for printing sheet by sheet to continue processing after upstream image exposure and etching process. Since ATMA flatbed screen printer has the vacuum tabletop which is machined to achieve high accuracy of flatness and is equipped with the adjustable features for printing to attain even ink layer thickness, and the delicate fine line of legend (or marks) is printed on top of solder mask as well. The optional unloading device can be added to upgrade as 3/4 automatic to save labor increasing production efficiency.
2.ATMA roll-to-roll screen printer is suitable for high productivity printing the coiled flexible foils to continue processing after upstream image exposure and etching process. This screen printer is equipped with a high-resolution CCD camera to achieve accuracy registering and is incorporated with a drying section to meet high production efficiency.
PCB Fully Automatic Screen Printing Line
Fully Automatic FPC Roll-to-Roll Screen Printing Line, Fully Automatic PCB Double Sided Screen Printing Line
Roll-to-Roll screen printing machine, integrated by winding – auto registration – auto printing – dryer – rewinding. Suitable for direct printing graphic, legend, solder mask, conductive electrode (Silver or Carbon) onto FPC (flexible printed circuits) and so on various flexible thin film.Product character : production high efficiency, less human error, continual processing to raise production quality.
Printed Circuits Legend Screen Printer/ Legend Lnkjet
Automatic PCB Legend Screen Printer, Fully Automatic PCB Double Sided Legend Screen Printer, PCB Legend Inkjet Printer
Three types of screen printer, semi-automatic, twin table, fully automatic printing line, (delivery to dryer, or drying rack, etc. after printing accomplishment), directly printing legend, plug-via hole, solder mask, conductive ink (silver or carbon) electrode / circuits etc. onto rigid / flexible panel.
Solder Mask Screen Printer
Photoimageable Solder Mask Resist Screen Printer, Solder Mask Wet-film Screen Printer
A. Solder Mask : leave out through holes and cover all circuits and copper surface to prevent short-circuit while process mounting components on PCB, and save quantity of Tin soldering.B. Protective Plate : prevent moisture and various electrolyte damage circuits oxidation to endanger electric property. Also, prevent exterior mechanical damage to maintain PCB optimal isolation.C. Isolation : because of PCB tends to more and more thin, circuits width and pitch more and more narrow, an issue of isolation in between conductors is more remarkable. Also, increasing importance of solder mask isolation property.
Flexible Printed Circuits Screen Printer
FPC Screen Printer, Flatbed Screen Printer, Fully Automatic FPC Roll-to-Roll Screen Printing Line
Flexible circuit board is abbreviated as FPC, the circuit layout is made on the flexible substrate by screen printing, as a transmission intermediary for the electronic product signal. Because of continual automated production, increasing wiring density, light weight, small size, reduce wiring error, flexibility and elastically to change shape and so characters, widely applied for consumable electronic products such as LCD screen for notebook, smart phone, tablet PC and hard disc storage device etc. By connecting FPC and motherboard, between LCD screen or various different components to attain signal transmission and foldable cover or rotating and so on function. After the electronic products went to the trend of light weight slim and short, they had a great motivation for the growth of FPC. Three types of screen printer, semi-auto, twin table, fully automatic FPC roll-to-roll screen printing line.
PLUGGING VIA SCREEN PRINTER
Epoxy Plug-via Screen Printing, Double Squeegee Plug-via Screen Printing
ATMA screen printer is used by PCB manufacturing technique in via plugging process, which the via hole is filled with solder mask or epoxy. This process partially or completely closes the via hole using a conductive or non-conductive filling material. Via plugging is done as a preventive measure to secure the vias from the unwanted flow of solder material during the assembly / soldering process.ATMA provides alternative screen-printing solutions for rigid PCB manufacturing to support solder mask printing or epoxy via plugging wet film process. such as semi-automatic flatbed, or twin table screen printer and fully automatic screen printing to fulfill customer production capacity scale.
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