TW201724314A - Jet-printing method and device suitable for mass production and automatic processing of compact objects to be jet-printed - Google Patents

Abstract

The present invention provides a jet-printing method and device. The method comprises: providing an object to be jet-printed; providing a material supply mechanism configured with a portable material box that can store the object to be jet-printed; providing a material receipts mechanism configured with a portable material box that can store the object to be jet-printed; and, after driving out the object to be jet-printed through the portable material box of the material supply mechanism, using a delivery flow route formed by track paths on a plurality of track rails to deliver the object to be jet-printed to the portable material box of the material receipts mechanism for collection, wherein a manufacture flow route is formed on the path along which the object to be jet-printed is delivered. In the manufacture flow route, a jet-printing head is provided to perform jet-printing on the object to be jet-printed, and a solidification light source is applied to the jet-printed object for curing the printing ink.

Description

Printing method and device

The present invention relates to a printing method and apparatus, and more particularly to a printing method and apparatus for performing substrate surface printing in a wafer packaging process.

According to the conventional wafer, after the wafer is diced, it usually has to be bonded to the substrate via a packaging process, and a wire is disposed between the substrate and the wafer; a Flip chip is placed on the substrate. When the substrate is first laid on the substrate, the insulating ink is printed on the line by screen printing, and then the bump formed by the connection point of the wafer and the line on the substrate are not printed by the insulating ink. The line ends are directly connected.

A technique in which an inkjet head is used to print ink, and then the substrate on which the ink is sprayed is irradiated by a UV light source to dry the ink has been applied to a printed circuit board of a PCB for printing a printed circuit board. On the line.

Since the prior art uses the screen printing method to apply the insulating ink on the line, not only the processing efficiency is slow, but also the printing precision is low, and the line end which should not be coated is often covered to the insulating ink, resulting in the formation of the line end. Insulation can not be turned on with the bump formed by the connection point of the wafer, causing defective products to occur; whereas in the prior art, the inkjet head is used for printing ink on the printed circuit board, and the thickness of the printed circuit board is large and the thickness is large. Therefore, each time the printed circuit board is placed for printing, it is manually manufactured. After printing and cutting, the cutting device is used for cutting. Therefore, the precision of the equipment, the conveying operation and the printing method are not suitable for the light and short flip chip. A large number of automated substrates (Flip chip Substrate) and automated processing.

Therefore, the object of the present invention is to provide a printing method suitable for mass production and automated processing of light-thin and short-to-print articles.

Another object of the present invention is to provide a printing apparatus suitable for mass production and automatic processing and production of light and thin short to be printed articles.

It is still another object of the present invention to provide a printing apparatus using the object of the present invention.

The printing method according to the object of the present invention comprises: providing a to-be-printed article; providing a feeding mechanism provided with a portable cartridge, the portable cartridge being capable of placing the object to be printed; providing a a receiving mechanism with a portable magazine for placing the object to be printed; and driving the object to be printed through the portable cartridge of the feeding mechanism, The transport flow path formed by the track on the plurality of rails is transported to the portable magazine of the receiving mechanism for collecting, wherein the path to be transported by the printed matter forms a process flow path, and a printing process is performed in the process flow path. The head performs printing on the printed object, and the printed object to be printed is cured by a curing light source.

Another printing method according to the object of the present invention comprises: a feeding step of removing a portable article to be printed from a feeding mechanism of a feeding mechanism and transporting it into a process flow path; And a printing step, such that a printing rail receives the object to be printed in the processing flow path, and is transferred to a printing head of a printing mechanism to be printed, and then the ink is ejected by a curing light source. Curing and setting; a receiving step of collecting the object to be printed from the process flow path and being transported into a portable magazine of a receiving mechanism.

A printing apparatus according to another object of the present invention comprises: a feeding mechanism provided with a stage that can be driven to be displaced up and down, and a portable cassette placed on the stage, which is provided in the portable cassette Stacking objects to be printed; a receiving mechanism having a stage that can be driven to move up and down, and placing a portable magazine on the stage, and stacking the objects to be printed in the portable box Between the feeding mechanism and the receiving mechanism, the path of the printing object to be conveyed forms a process flow path, the process flow path is provided with a plurality of rail frames, and each of the rail frames is provided with a driveable belt to form a track. a transport flow path to be transported by the printed matter; a printing mechanism provided with a print head that can be moved above the process flow path; and a curing light source located above the process flow path.

A printing apparatus according to still another object of the present invention, comprising: a device using the printing method according to any one of claims 1 to 2.

The printing method and device of the embodiment of the present invention, because the substrate of the object to be printed is transported by the printing rail on the movable conveying flow path to the fixed conveying flow path on the feeding rail output of the feeding mechanism, The substrate is input between the fixed transport channels of the receiving rail of the portable magazine, and the substrate is placed on the movable transport flow path, and is disposed on one side and perpendicular to the movable transport flow path. The Y-axis reciprocating inkjet printing head performs printing, and the fixing of the ink is performed by the first fixed light source and the second fixed light source in the printing head, and the curing of the ink is located outside the printing head. Above the mobile transport flow path, and located behind the second fixed light source of the print head from the supply mechanism to the X-axis of the take-up mechanism, and executed by a solidified light source spaced apart from the print head by a distance in the X-axis It can not only adapt to the transportation of thin and light flip chip technology substrates, but also to produce a large number of automated printing processes. At the same time, it can also be printed on the rails of granite materials by moving the rails on the movable transport flow path. Sliding rails for precise sliding, and controlled printing quality.

Referring to FIG. 1 and FIG. 2, the printing method and device of the embodiment of the present invention can be applied to the object to be printed on the substrate 1 used in the flip chip technology as shown in the figure, and the substrate 1 can be presented in a wide format of FIG. Or, in a narrow manner of FIG. 2, each substrate 1 has a rectangular shape and has a pair of long sides and a pair of short sides. In the following embodiments, the wide substrate 1 of FIG. 1 is taken as an example. In the case where the substrate 11 is planned to be arranged in the substrate 1 (the wiring is too fine, so not shown), each of the cells 11 will be covered with a wafer in the future, and the embodiment of the present invention is used for each of the substrates. The insulating ink of the carrier 11 of 1 is printed above the line.

Referring to FIG. 1 , FIG. 3 and FIG. 3 , a printing method and device according to an embodiment of the present invention may be exemplified by a device as shown in the figure, comprising: a feeding mechanism (Load) A and an unloading mechanism (Unload) B, The two are respectively provided with stages A1 and B1 which can be driven to be displaced up and down, and the portable cassettes A2 and B2 can be placed on the respective stages A1 and B1, and the portable cassettes A2 are provided. Openings A3 and B3 are respectively provided before and after B2, and a plurality of substrates 1 to be processed or processed are stacked in the upper and lower intervals; a path is formed in which the substrate 1 is transported between the feeding mechanism A and the receiving mechanism B. a process flow path, the process flow routing material feeding mechanism A to the receiving mechanism B direction, sequentially provided with a supply rail frame C, a printing rail frame D, a receiving rail frame E; wherein the feeding rail The frame C and the receiving rail frame E are respectively fixed on the positioning of a fixing seat C1 and E1. The printing rail frame D is disposed on the X-axis sliding rail D11 of the rail seat D1 formed by a granite material. X-axis reciprocating displacement between the supply rail frame C and the receiving rail frame E; the supply rail frame C, the printing rail frame D, and the receiving rail frame E are respectively provided with driveable belts C2, D2 E2, each forming a track The transporting flow path can be provided to the substrate 1 placed on each of the belts C2, D2, and E2; wherein the supply rail frame C and the receiving rail frame E are respectively fixed to the fixed seat C1. The positioning of E1 is such that each of the fixed conveying flow paths is formed, and the conveying stroke is the length of the supply rail frame C and the receiving rail frame E; and the printing rail frame D can be on the sliding rail D11 of the rail seat D1. Displacement, so that a movable transport flow path is formed, and the transport stroke is the distance between the supply rail rack C and the receiving rail rack E; wherein the transporting path of the movable transport flow path is larger than each of the fixed transporting a transport path of the flow path; the fixed transport flow path and the movable transport flow path form the process flow path, and are located in the same manner as the delivery and income paths of the cartridges A2 and B2 of the supply mechanism A and the receiving mechanism B The water level is arranged in a straight line; the printing rail D is disposed on a sliding seat D3, and the sliding seat D3 is further disposed on the X-axis sliding rail D11 of the rail seat D1, and the sliding seat D3 is subjected to a driving member D4 (in the figure) Driven and displaced on the slide rail D11 to interlock the print rail D on it for X-axis displacement; the slide D3 is provided with a suction seat D31. In the printing rail D, the suction seat D31 is provided with a plurality of matrix-arranged nozzles D32; the fixing seat E1 fixed on the receiving rail frame E is provided with a suction seat E3 located in the receiving rail frame E, The adsorption seat E3 is provided with a plurality of nozzles E31 arranged in a matrix.

Referring to FIGS. 3 and 5, on the path through which the movable transport flow path of the process flow path passes, a printing mechanism F including a rail on one side of the movable transport flow path of the process flow path is provided. The seat F1, the rail seat F1 is provided with a Y-axis slide rail F2, and the slide rail F2 is provided with a slide F3 which can be driven to be displaced on the slide rail F2, and is disposed on the slide-type F3 toward the movable transport flow path side. One end is provided with a printing head F5 which can be moved above the movable conveying flow path and can be vertically displaced on the Z-axis slide rail F4 at the end of the sliding seat F3; the printing head F5 is fed by The mechanism A is provided with a first nozzle F51, a first fixed light source F52, a second nozzle F53, and a second fixed light source F54 in the X-axis direction of the receiving mechanism B, and a positioning is provided on the printing head F5 side. The detecting element F55; the light source of the first fixed light source F52 and the second fixed light source F54 may be a UV light source, and the light source intensity is only used to temporarily fix the ink discharged; a cleaning mechanism G is located in the process flow path Mobile racking on a rack G1 on the side of the mobile transport path and in the Y-axis relative to the printing mechanism F The other side of the flow path includes: two paper wiping materials G2 which are arranged in a X-axis direction and are arranged in a roll shape, and two sets of X-axis axially juxtaposed and open upwards. The cover G3, the two cleaning cover G3 is fixed on a moving seat G31, and the moving seat G31 can be driven by a driving member G32 to synchronously displace the two cleaning covers G3; the rolled paper wiping material G2 can be The driving cover is rolled; the cleaning cover G3 is provided with a negative pressure suction port G33, and can be connected with a negative pressure; a curing light source H is located above the movable conveying flow path of the process flow path, and is located at the The material mechanism A is disposed behind the second fixed light source F54 of the printing head F5 in the X-axis of the receiving mechanism B, and is spaced apart from the printing head F5 by a distance in the X-axis, and is fixed in a Y-axis cross The beam H2 is disposed on the beam H2 of the gantry H1 above the movable conveying flow path. The beam H2 is provided with a Y-axis slide rail H3 for the curing light source H, and the curing light source H is driven by a driving member H4. Y-axis displacement on the slide rail H3; the curing light source H can be a UV light source, the intensity of which is used to make the ink ejected permanently Curing and setting; the Y-axis displacement of the curing source H and the printing head F5 can be driven to be synchronized or not.

Referring to FIG. 3, a detection mechanism K is disposed above the receiving rail E in the processing flow path, and is located behind the curing light source H of the X-axis processing flow path from the feeding mechanism A to the receiving mechanism B. The detecting mechanism K is provided with an X-axis slide rail K2 on a side of the receiving rail rack E of the processing flow path and on the same side of the printing mechanism F, and is disposed on the X-axis slide rail K2. A Y-axis slide rail K3 is suspended above the receiving rail frame E, and a detecting head K4 capable of Z-axis displacement is disposed on the Y-axis slide rail K3, and the detecting head K4 can be a CCD lens, and Can be driven for X, Y, Z axial displacement.

The printing method of the embodiment of the present invention takes the substrate 1 in the flip chip technology as the printing object to be printed as an example, and includes: a feeding step of making the substrate 1 from the portable material box A2 of the feeding mechanism A It is removed and transported into the fixed transport flow path of the supply rail C in the process flow path in a linear direction parallel to the long side of the substrate 1; a transfer and printing step to make the print rail D The X-axis slide rail D11 of the rail seat D1 is driven to be displaced to the C-end of the supply rail frame to receive the substrate 1 conveyed on the supply rail frame C, and is transferred to the printing mechanism F after the carrier substrate 1 is transported. After being detected by the positioning detecting component F55 on the printing head F5 side, the substrate 1 is printed by the printing head F5 from the positioning, and the printing head F5 reciprocates in the Y-axis through the processing flow path. The mobile conveying flow path prints the substrate 1 on the printing rail D, and the substrate 1 is discharged by the movable conveying flow path on the sliding rail D11 of the rail seat D1 by the printing rail D when being printed. The direction of the rail frame E is sequentially displaced, so that the print head F5 is sequentially disposed from the feeding mechanism A to the X-axis of the receiving mechanism B. F51, a first fixed light source F52, a second nozzle F53, and a second fixed light source F54 sequentially print and illuminate the substrate 1, and then use the curing light source H to permanently solidify the ejected ink; In the middle, the printing head F5 can be axially moved across the movable conveying flow path to the opposite cleaning cover G3 for ink removal, and moved to the wiping material G2 for the printing head F5 to wipe; a printing detection step, The substrate 1 that has passed through the curing light source H is transferred by the printing rail D to the movable conveying flow path on the slide rail D11 of the rail seat D1, and is transferred to the receiving rail rack E of the stationary conveying flow path, and is detected. The detecting head K4 of the mechanism K performs the detecting; in the receiving step, the completed substrate 1 is separated from the fixed conveying flow path of the receiving rail rack E in a linear direction parallel to the long side of the substrate 1, and also leaves the processing flow path. Collected in the portable cartridge B2 that is conveyed into the receiving mechanism B.

Referring to FIG. 6 , a dust removal mechanism L may be additionally disposed in the fixed conveying flow path provided by the supply rail C in the process flow path, and the dust removal mechanism L is disposed on the supply rail frame C and located on the substrate 1 Above the fixed conveying flow path, the utility model comprises a casing L1. The bottom surface of the corresponding substrate 1 below the casing L1 is hollowed out, and an exhaust port L11 is arranged at the upper side, and a gas pipe L2 is arranged in the Y axis. And a plurality of blowing heads L3 are disposed under the air tube L2, the number of the blowing heads L3 can be adjusted according to the width of the substrate 1, and each of the blowing heads L3 is provided with a pore L31 facing the surface of the substrate 1; The air pipe L2 can interlock the air blowing heads L3 to make a proper curvature of the yaw, and is arranged by the arc groove L12 opened on the side of the cover L1 and a fastener L21 which is disposed from the air pipe L2 and extends through the arc groove L12. The triggering pipe L2 is linked to the yaw angle of each of the blowing heads L3; the two sides of the casing L1 are respectively provided with a grip portion L13 for lifting and holding the casing L1; in the feeding step, when the substrate 1 is made The portable cassette A2 of the feeding mechanism A is removed and transported into the stationary conveying flow path of the supply rail frame C in a linear direction parallel to the long side of the substrate 1. The dust removing mechanism L can be fed by the gas blowing header to each of L3 and cleaning of the substrate to be printing on the surface.

In the printing method and apparatus of the embodiment of the present invention, the substrate 1 to be printed is transported by the printing rail D on the movable conveying flow path to the feeding rail C outputted by the feeding mechanism A. The flow path is input between the stationary transfer flow path for inputting the substrate 1 into the receiving rail E of the portable cartridge B2, and the substrate 1 is placed on one side of the movable transport flow path. The Y-axis reciprocating printing head F5 of the movable conveying flow path is vertically printed, and the fixing of the ink is performed by the first fixed light source F52 and the second fixed light source F54 in the printing head F5. The curing of the ink is located above the movable conveying flow path by the printing head F5, and is located behind the second fixed light source F54 of the printing head F5 from the feeding mechanism A to the X-axis of the receiving mechanism B. And the curing light source H which is spaced apart from the printing head F5 by a distance in the X-axis direction, can not only be adapted to the transportation of the substrate 1 for the thin and thin flip chip technology, but also can be produced by a large amount of automated printing processing, and The movable rail is printed on the rail D from the granite frame D1 on the rail D11 Precision slide, and control print quality.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1‧‧‧Substrate
11‧‧‧Cell
A‧‧‧Feeding agency
A1‧‧‧ stage
A2‧‧‧ portable cassette
A3‧‧‧ openings
B‧‧‧Receiving agency
B1‧‧‧ stage
B2‧‧‧Portable cartridge
B3‧‧‧ openings
C‧‧‧Feed rail
C1‧‧‧ fixed seat
C2‧‧‧Land
D‧‧‧Printing rail
D1‧‧‧ rail seat
D11‧‧‧rails
D2‧‧‧Land
D3‧‧‧ slide
D31‧‧‧ adsorption seat
D32‧‧‧ nozzle
D4‧‧‧ drive parts (not shown)
E‧‧‧ receiving rail rack
E1‧‧‧ fixed seat
E2‧‧‧ belt
E3‧‧‧ adsorption seat
E31‧‧‧ nozzle
F‧‧‧Printing agency
F1‧‧‧ rail seat
F2‧‧‧rails
F3‧‧‧ slide
F4‧‧‧rails
F5‧‧‧Print head
F51‧‧‧ first nozzle
F52‧‧‧First fixed light source
F53‧‧‧second nozzle
F54‧‧‧Second fixed light source
F55‧‧‧ Positioning detection component
G‧‧‧ cleaning agency
G1‧‧‧Rack
G2‧‧‧wipes
G3‧‧‧Clean cover
G31‧‧‧Mobile seat
G32‧‧‧ drive parts
G33‧‧‧ Negative pressure suction
H‧‧‧cured light source
H1‧‧‧Longmen
H2‧‧‧ beams
H3‧‧‧rails
H4‧‧‧cured light source
K‧‧‧ testing agency
K1‧‧‧Rack
K2‧‧‧ slide rails
K3‧‧‧rails
K4‧‧‧ head
L‧‧‧dust removal mechanism
L1‧‧‧ cover
L11‧‧‧ Vent
L12‧‧‧ arc slot
L13‧‧‧ grip
L2‧‧‧ trachea
L21‧‧‧ fasteners
L3‧‧‧Blowing head
L31‧‧‧ stomata

1 is a schematic view of a wide substrate of an article to be printed in an embodiment of the present invention. 2 is a schematic view of a narrow substrate of an article to be printed in an embodiment of the present invention. 3 is a schematic perspective view of a printing apparatus in an embodiment of the present invention. 4 is a schematic view of various mechanisms on the process flow path of the printing apparatus in the embodiment of the present invention. Fig. 5 is a perspective view showing the relationship between the movable transport flow path and the printing mechanism in the embodiment of the present invention. Figure 6 is a perspective view showing the relationship between the dust removing mechanism and the supply rail frame in the embodiment of the present invention. Figure 7 is a perspective view showing the appearance of the dust removing mechanism in the embodiment of the present invention. Fig. 8 is a perspective view showing the structure of the air blowing head of the dust removing mechanism in the embodiment of the present invention.

A‧‧‧Feeding agency

B‧‧‧Receiving agency

C‧‧‧Feed rail

D‧‧‧Printing rail

E‧‧‧ receiving rail rack

F‧‧‧Printing agency

G‧‧‧ cleaning agency

H‧‧‧cured light source

K‧‧‧ testing agency

K1‧‧‧Rack

K2‧‧‧ slide rails

K3‧‧‧rails

K4‧‧‧ head

Claims (13)

A printing method comprising: providing a to-be-printed article; providing a feeding mechanism provided with a portable cartridge, the portable cartridge being capable of placing the object to be printed; providing a portable device a receiving mechanism of the magazine, the portable cartridge is adapted to place the object to be printed; and the object to be printed is driven out through the portable cartridge of the feeding mechanism, and the track is on the plurality of rails The formed conveying flow path is sent to the portable magazine of the receiving mechanism for collecting, wherein the path to be transported by the printing object forms a processing flow path, and a printing head is to be printed in the processing flow path. The object is printed, and the printed object to be printed is cured by a curing light source. A printing method comprises: a feeding step of removing a portable article to be printed from a feeding mechanism of a feeding mechanism and feeding it into a process flow path; a moving and printing step An inkjet printing frame receives the object to be printed in the processing flow path, and is transferred to a printing head of a printing mechanism to be printed, and then solidifies the ink to be solidified by a curing light source; The step of collecting the object to be printed from the process flow path and transporting it into a portable magazine of a receiving mechanism. A printing device comprises: a feeding mechanism, a loading platform that can be driven to move up and down, and a portable material box placed on the loading table, and a stackable object to be printed in the portable material box A receiving mechanism is provided with a loading platform that can be driven to move up and down, and a portable magazine is placed on the loading platform, and the portable material box is stacked for the object to be printed; in the feeding mechanism and The path of the object to be printed between the receiving mechanisms is formed into a process flow path, the process flow path is provided with a plurality of rail frames, and each of the rail frames is provided with a driveable belt to form a track to provide a to-be-printed object to be transported. a printing flow path; a printing mechanism having a printing head that can be moved above the processing flow path; and a curing light source located above the processing flow path. The printing device of claim 3, wherein the process flow routes the feeding mechanism to the receiving mechanism, and sequentially comprises a feeding rail frame, a printing rail frame and a receiving rail frame; wherein The feeding rail frame and the receiving rail frame are respectively fixed on a fixed seat to form a fixed conveying flow path; the printing rail is mounted on the sliding rail of the rail seat, and can be reciprocally displaced to the feeding rail frame A movable conveying flow path is formed between the receiving rail and the receiving rail. The printing device of claim 4, wherein the printing rail is mounted on a sliding seat, and the sliding seat is further disposed on the sliding rail of the rail seat, and the sliding seat is driven by a driving member on the sliding rail. The upper displacement is performed by interlocking the printing rail on the slide; the sliding seat is provided with a suction seat in the printing rail, and the adsorption seat is provided with a plurality of matrix-arranged nozzles. The printing device of claim 4, wherein the fixing seat fixed on the receiving rail frame is provided with a suction seat in the receiving rail frame, and the adsorption seat is provided with a plurality of matrix arrays. mouth. The printing device of claim 3, wherein the printing mechanism comprises a rail seat on a side of the process flow path, and the rail seat is provided with a Y-axis slide rail, and the slide rail is provided with a slide rail Driving a sliding seat on the sliding rail, and being disposed at an end of the sliding seat toward the processing flow path side, can be moved above the processing flow path, and can be made on a Z-axis sliding rail at the end of the sliding seat The print head is displaced up and down. The printing device of claim 3, wherein the printing head is provided with a first nozzle, a first fixed light source and a second nozzle, respectively, from the feeding mechanism to the X-axis of the receiving mechanism. A second fixed light source, the light source of the first fixed light source and the second fixed light source is only used to temporarily fix the ink discharged. The printing device of claim 3, wherein a cleaning mechanism is disposed on one side of the process flow path, and is located on the Y-axis opposite to the other side of the printing mechanism. The printing device of claim 3, wherein the curing light source and the printing head are spaced apart from each other in the X-axis direction, and are fixed to a gantry that spans the Y-axis above the processing flow path. The beam is provided with a Y-axis slide rail for the curing light source, and the curing light source is driven by a driving member to perform Y-axis displacement on the rail. The printing device of claim 3, wherein the feeding mechanism is provided with a detecting mechanism behind the curing light source of the X-axis processing flow path of the receiving mechanism. The printing device of claim 3, wherein a dust removing mechanism is disposed in the processing flow path, and includes a blowing head, wherein the surface to be printed on the substrate can be made by introducing a gas into the blowing head. clean. A printing apparatus comprising: a device using the printing method according to any one of claims 1 to 2.