TWI331571B - Plurality color inkjet printhead - Google Patents

Description

1331571 [Simple description of the drawings] The first figure: is a schematic structural view of a carrier system suitable for the inside of an inkjet printer according to a preferred embodiment of the present invention. • Fig. 2(a): This is a schematic view of the structure of the monochrome ink jet head of the first preferred embodiment of the present invention. Figure 2 (b): This is a schematic diagram of the structure after removing the orifice sheet in the second diagram (a). ^ Figure 3 (a) is a schematic view showing the structure of a color ink jet head according to a third preferred embodiment of the present invention. Figure 3 (b): This is a schematic diagram of the structure after removing the orifice sheet in the third diagram (a). Figure 3 (c): This is the schematic diagram of the structure after removing part of the orifice sheet in the third diagram (a). The fourth figure is a schematic view showing the connection structure of the ink jet control circuit of the ink jet printer and the ink jet head wafer. φ Fifth diagram (a): This is a schematic diagram of the circuit structure of the ink jet head wafer shown in the fourth figure. Fig. 5(b): This is a schematic diagram of the circuit amplification of the portion C of the fifth figure (a). 23 1331571 [Description of main component symbols] Carrying system: 1 Carrier: 112 Feeding shaft: 114 First drive motor: 116 Storage: 118 Paper feeding structure: 120 Inkjet media: 122 Wafer: 21, 31 orifice: 23, 33 Heater: 25, 35 Central ink supply flow path: 27 Second longitudinal edge: 272 Ink supply flow path: 36 Inkjet head wafer · 42 and gate: 4261 Drive transistor: 4263 Inkjet head: 111 controller : 113 Scanning axis: 115 Controller: 117 Second drive motor: 119 Power supply: 121 Inkjet head: 2, 3 Electrical connection piece: 22, 32 Injection hole: 24, 331 Center line: 26 First longitudinal edge: 271 axis Line array: 34 Inkjet control circuit: 41 Buffer: 4251, 4252 Boost circuit: 4262 Serial and data signal converter: 4211, 4212 Serial and address signal converter: 4221, 4222 Main address decoder · · 4231 4232 address decoder: 4241, 4242 inkjet driver circuit 426

Claims (1)

1331571 X. Patent Application Range: 1. An ink jet head structure for performing ink jet printing of multi-color ink, comprising a wafer and a heater arranged on the wafer and extending in three longitudinal directions The heater of each of the arrays respectively provides ink droplets of different colors, and all heaters are placed on the wafer with more than 25 heaters per square millimeter (mm2). The length-to-width ratio of the wafer is 3. 6~% 10. The ink jet head structure of claim 1, wherein each of the array of heaters is arranged in at least two axis groups along mutually parallel and mutually spaced axes. 3. The ink jet head structure of claim 1, wherein each of the plurality of heaters comprises a total length of 1/2 inch. 4. The ink jet head structure of claim 2, wherein the ink jet, the structure further comprises three ink supply channels arranged side by side, which are respectively disposed on the heater of each of the axis arrays At least 2 axis groups. 5. The ink jet head structure of claim 4, wherein each of the ink passages has a flow path width of 15 mm (five) and a flow path length of < 12. 8 cm ( Mm). 6. The ink jet head structure according to claim 4, wherein a flow path pitch between the three ink supply flow paths is 丨 27 mm (mm). 5。 The aspect ratio of the 曰 is 3.6. The ink jet head structure according to claim 1, wherein the aspect ratio of the wafer 25 "*_..I is 4.0 to 9.0 is the best 9. If the patent is claimed In the inkjet described in the scope j, 1800 heaters are provided. The invention relates to an ink jet head structure as claimed in claim 1, wherein the heating m-degree interval is set on the wafer to be a heater per square millimeter (2) to 30. . 11. The ink jet head structure of claim 4, wherein the distance between adjacent heaters is 1/600 inch. 12. The ink jet head structure of claim 2, further comprising an address control circuit for receiving at least one serial address signal output by an ink jet control circuit, the address control circuit including Converting the received serial address signal into a serial-to-address address converter of two sets of parallel address signals and two address decoders respectively receiving and decoding the output signals of the serial-to-address converter And causing the two address decoders to form a MxN row juxtaposed signal to be sent to the inkjet driving circuit having a gate and a heater as an inkjet control signal. 26