Ink-jet printing deposition equipment based on magnetic field regulation and control
A technology of inkjet printing and deposition equipment, applied in printing devices, printing, etc., can solve the problems of complex microstructure deposition patterns, inability to achieve universal control, and difficult implementation of modification, so as to weaken the coffee ring effect and suppress coffee Ring phenomenon, enhance the bonding effect
Active Publication Date: 2022-05-13
BEIHANG UNIV
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Problems solved by technology
These methods have limitations. First, while adjusting the deposition characteristics of the ink, it is necessary to consider the printability and functional characteristics at the same time, and it is impossible to achieve universal regulation under multi-printing conditions; second, the regulation of substrate properties is limited to specific substrates. (ceramics, glass substrates, etc.), and for metal alloy substrates, plastic substrates, flexible substrates, etc., its modification is difficult to implement; finally, only the transformation of specific deposition modes can be achieved through the above-mentioned passive control methods, and more complex deposition patterns cannot be obtained. microstructure deposition pattern
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[0025] The invention provides an inkjet printing deposition device based on magnetic field control, such as figure 1 and 2 shown, including:
[0026] A frame unit 10, the frame unit 10 is provided with a Helmholtz coil 2, a rotatable printing substrate 9, a displacement mechanism, a constant temperature heating base 7, an observation system, an ink supply pipeline 3 and a printing nozzle 4;
[0027] The Helmholtz line 2 is arranged on both sides of the rotatable printing base 9, a displacement mechanism is provided above the rotatable printing base 9, a constant temperature heating base 7 is provided above the displacement mechanism, and a constant temperature heating base 7 is provided above the rotatable printing base 9. There is a printing nozzle 4, an ink supply pipeline 3 is arranged above the printing nozzle 4, and a printing nozzle piezoelectric ceramic drive signal circuit is integrated on the ink supply pipeline 3;
[0028] The ink supply pipeline 3 and the observat...
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The invention provides ink-jet printing deposition equipment based on magnetic field regulation and control, and belongs to the technical field of ink-jet printing equipment. The equipment comprises a frame unit, wherein a Helmholtz coil, a rotatable printing substrate, a displacement mechanism, a constant-temperature heating base, an observation system, an ink supply pipeline and a printing nozzle are arranged in the frame unit; the Helmholtz coils are arranged on the two sides of the rotatable printing base, the displacement mechanism is arranged above the rotatable printing base, the constant-temperature heating base is arranged above the displacement mechanism, the printing nozzle is arranged above the constant-temperature heating base, and the ink supply pipeline is arranged above the printing nozzle. A printing nozzle piezoelectric ceramic driving signal circuit is integrated on the ink supply pipeline; according to the device, an ink-jet printing device and a Helmholtz coil for manufacturing a magnetic field are combined, the coffee ring effect can be weakened in ink-jet printing, and a high-quality evenly-deposited pattern can be obtained; and secondly, a printing pattern with a special microstructure can be manufactured by increasing the magnetic field intensity or introducing an alternating magnetic field.
Description
technical field [0001] The invention belongs to the technical field of inkjet printing equipment, and in particular relates to an inkjet printing deposition equipment based on magnetic field control. Background technique [0002] Inkjet printing (inkjet printing) is a new type of additive manufacturing technology. This technology configures functional materials into ink and deposits them on demand through nozzles to target positions. After sintering, conductive films of various shapes and functions can be obtained. Inkjet printing can manufacture electronic components such as miniature resistors, capacitors, and diodes, or manufacture strain and temperature sensors, and has good development prospects in the fields of flexible electronics and wearable devices. While exploring the application scenarios of inkjet printing, inkjet printers are also being continuously improved and upgraded, such as high-temperature inkjet printing that introduces a substrate heating system, and E...
Claims
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IPC IPC(8): B41J2/01B41J11/00B41J2/14
CPCB41J2/01B41J11/00B41J2/14201
Inventor 邱璐赵志恒朱剑琴陶智
Owner BEIHANG UNIV