WO2006075673A1 - フレームデータ作成方法および装置並びにフレームデータ作成プログラム、描画方法および装置 - Google Patents
フレームデータ作成方法および装置並びにフレームデータ作成プログラム、描画方法および装置 Download PDFInfo
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- WO2006075673A1 WO2006075673A1 PCT/JP2006/300318 JP2006300318W WO2006075673A1 WO 2006075673 A1 WO2006075673 A1 WO 2006075673A1 JP 2006300318 W JP2006300318 W JP 2006300318W WO 2006075673 A1 WO2006075673 A1 WO 2006075673A1
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- frame data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1008—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of the picture-bearing surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
- B41J2/46—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources characterised by using glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J21/00—Column, tabular or like printing arrangements; Means for centralising short lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/30—Character or syllable selection controlled by recorded information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional [2D] array
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/23—Reproducing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04767—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock
Definitions
- the present invention relates to a frame data creation method for creating frame data used when an image is formed by moving a drawing point forming unit such as a spatial light modulator relative to a drawing surface in a predetermined scanning direction. More particularly, the present invention relates to a drawing method and apparatus for performing drawing using frame data obtained by using the frame data creation method and apparatus, and the program. Background art
- a spatial light modulation element such as a digital micromirror device (hereinafter referred to as DMD) is used to modulate a light beam according to image data.
- DMD digital micromirror device
- Various exposure apparatuses that perform exposure are proposed.
- the DMD is composed of memory cells (SRAM arrays) on a semiconductor substrate such as silicon, in which a number of micromirrors are arranged two-dimensionally. Then, by controlling the electrostatic force due to the charge accumulated in the memory cell, the angle of the reflecting surface can be changed by tilting the micromirror, and the drawing point can be placed at a desired position by changing the angle of the reflecting surface. It can be formed to form an image.
- the DMD is moved relative to the exposure surface in a predetermined scanning direction, and the DMD is moved according to the movement in the scanning direction.
- Many memory cells support a large number of microphone mouth mirrors.
- An exposure apparatus has been proposed in which frame data consisting of a number of drawing point data is input and a desired image is formed on the exposed surface by sequentially forming drawing point groups corresponding to the DMD micromirrors in time series.
- the DMD micromirrors are arranged so that the row direction and the column direction are orthogonal to each other. Then, the above-described exposure is performed by inclining such a DM string by a predetermined angle with respect to the scanning direction, thereby narrowing the interval between the scanning lines scanned by the microphone aperture mirror and forming it on the exposure surface.
- An exposure apparatus that improves the resolution of the image is also proposed (see Japanese Patent Laid-Open No. 2004-09.595).
- image data representing an image to be exposed on the exposure surface is temporarily stored in a memory such as DRAM, and the DMD position with respect to the exposure surface is set to D
- a memory such as DRAM
- the DMD position with respect to the exposure surface is set to D
- each drawing point data input to each DMD micromirror is obtained, and each frame data is obtained from the obtained drawing point data.
- the image data 1 has two-dimensional pixel data 5 in the sub-scanning direction corresponding to the DMD scanning direction and in the main scanning direction orthogonal to the sub-scanning direction.
- the pixel data corresponding to each microphone mouth mirror is sequentially added as described above.
- the pixel data arranged in the main scanning direction in FIG. 18 is stored in the memory in the direction in which the address continues, the data is read by each micromirror.
- the address where the corresponding pixel data is stored is It is arranged discretely in the memory address space as seen from the control means for controlling the memory, and it is very time-consuming for memory control to read out the pixel data while accessing each address of such an arrangement one by one. It takes a long time to get all frame data.
- the present invention provides a frame data creation method and apparatus and a program capable of creating frame data as described above at higher speed, and a drawing method and apparatus using the frame data creation method and the like. Is intended to provide. Disclosure of the invention
- a drawing point forming unit in which a plurality of drawing elements that form drawing points on a drawing surface are arranged in parallel with a plurality of drawing element groups arranged in a row is arranged with respect to the drawing surface.
- a method of creating frame data wherein the image data in which the pixel data corresponding to the drawing point data is arranged in a two-dimensional manner in a sub-scanning direction corresponding to the scanning direction and a main running direction orthogonal to the sub-scanning direction
- the frame data creation method for obtaining frame data by acquiring a plurality of drawing point data based on image data corresponding to the pixel data, pixel data corresponding to the drawing element group in the image data is the main run. Performing deformation processing on the image data so as to align in the direction, and wherein the creating frame data based on the modified processed image data.
- the storage means for storing the transformed image data, the direction in which the address of the storage means continues and the drawing element group -Pixel data can be stored so that it matches the array direction in which the pixel data is stored, and the stored pixel data can be read from the storage means to obtain multiple drawing point data.
- each pixel data corresponding to the drawing element group can be modified by shifting in the sub-scanning direction in accordance with the inclination angle.
- the pixel data is rearranged in the scanning direction so that the pixel data belonging to the same frame data corresponding to each drawing element in the drawing element group is continuously arranged in the main scanning direction.
- Frame data can be created based on the transformed image data.
- the drawing point data corresponding to the drawing element is used by using each pixel data of the transformed image data after the rearrangement a plurality of times. It is possible to generate frame data using the generated drawing point data.
- the drawing point forming unit is divided into a plurality of divided regions in the arrangement direction and multiple drawing is performed using the plurality of divided regions, the rearranged transformed image data corresponding to each divided region is It is possible to shift in the main running direction according to the order of multiple drawing, and create frame data based on the shifted rearranged image data after rearrangement.
- the drawing method of the present invention acquires each frame data using the above frame data creation method, moves the drawing point forming portion relative to the drawing surface in the scanning direction, and moves in the scanning direction. Accordingly, each frame data is sequentially input to the drawing point forming unit to form a drawing point group in time series, and the image is formed on the drawing surface.
- the frame data creation device provides a drawing point forming unit in which a plurality of drawing elements in which a plurality of drawing elements forming drawing points are arranged in a line on the drawing surface are arranged in parallel with respect to the drawing surface.
- the arrangement direction of the drawing element group of the drawing point forming unit and a predetermined inclination angle 0 (However, it moves relative to the scanning direction of 0 ° ⁇ 0 ⁇ 90 °) and draws frame data consisting of multiple drawing point data corresponding to the drawing elements according to the movement in the scanning direction. Creates frame data to be used when forming an image on a drawing surface in a two-dimensional manner by creating drawing points in a time series by sequentially inputting them into the point forming unit.
- a frame data creation device wherein pixel data corresponding to drawing point data is arranged in a two-dimensional manner in a sub-scanning direction corresponding to the scanning direction and a main scanning direction orthogonal to the sub-scanning direction.
- the frame data creation device that creates the frame data by acquiring the plurality of drawing point data based on the image data corresponding to the pixel data
- the pixel data corresponding to the drawing element group in the image data is in the main scanning direction.
- An image data transformation unit that performs a transformation process on the image data so that they are arranged in a line
- a frame data creation unit that creates frame data based on the transformed image data that has been transformed by the image data transformation unit. It is characterized by.
- the storage means for storing the transformed image data, the direction in which the addresses of the storage means continue, and the array direction in which the pixel data corresponding to the drawing element group are stored
- a storage control means for storing the pixel data so as to match, and the frame data creation unit reads out the pixel data stored in the storage means from the storage means to obtain a plurality of drawing point data Can be.
- the image data deforming unit can perform the deformation process by shifting each pixel data corresponding to the drawing element group in the sub-scanning direction according to the inclination angle.
- a pixel data rearrangement unit that rearranges pixel data in the scanning direction so that pixel data belonging to the same frame data corresponding to each drawing element in the drawing element group is continuously arranged in the main scanning direction.
- the frame data creation unit may create frame data based on the transformed image data after being rearranged by the pixel data rearrangement unit.
- the frame data creation unit causes the pixel data of the transformed image data after the rearrangement to be performed a plurality of times. It is possible to generate drawing point data corresponding to the drawing element by using the generated drawing point data and to generate frame data by using the generated drawing point data. .
- the frame data creation unit is configured to display the modified image data corresponding to each divided region.
- the main scanning direction is shifted, and frame data can be generated based on the shifted transformed image data.
- the drawing apparatus of the present invention includes the above frame data creation device, a drawing point forming unit that forms a drawing point group composed of a plurality of drawing points on the drawing surface based on the input frame data, and a drawing point forming unit
- a moving unit that moves relative to the surface in the scanning direction, and frame data created by the frame data creation device in accordance with the movement in the scanning direction by the moving unit are sequentially input to the drawing point forming unit and drawn.
- the point formation unit includes an image formation control unit that sequentially forms a drawing point group in time series and forms an image in which a plurality of drawing points are arranged two-dimensionally on a drawing surface.
- the frame data creation program provides a drawing point forming unit in which a plurality of drawing elements in which a plurality of drawing elements forming drawing points are arranged in a line on the drawing surface are arranged in parallel with respect to the drawing surface.
- the image is moved relative to the scanning direction that forms a predetermined inclination angle 0 (however, 0 ° ⁇ 0 ⁇ 90 °) with the arrangement direction of the drawing element group in the drawing point forming unit, and the scanning direction
- the frame data consisting of multiple drawing point data corresponding to the drawing elements is sequentially input to the drawing point forming unit according to the movement of the drawing element, and the drawing points are sequentially formed in time series, thereby making the two or more drawing points
- a frame data creation program for causing a computer to execute a procedure for creating frame data used when forming an image arranged on a drawing surface, and a sub-scanning direction corresponding to the scanning direction and the sub-scanning direction Orthogonal to Corresponding to the drawing point data in the main scanning direction
- the storage means for storing the transformed image data matches the direction in which the addresses of the storage means continue with the arrangement direction in which the pixel data corresponding to the drawing element group is stored.
- the computer may further execute a procedure for storing the pixel data, and may cause the computer to execute a procedure for reading the stored pixel data from the storage unit and acquiring a plurality of drawing point data. it can.
- the deformation process can be a process of shifting each pixel data corresponding to the drawing element group in the sub-scanning direction according to the inclination angle.
- the computer further executes a procedure of rearranging the pixel data in the scanning direction so that the pixel data belonging to the same frame data corresponding to each drawing element in the drawing element group is continuously arranged in the main scanning direction. It is possible to cause the computer to execute a procedure for creating frame data based on the transformed image data after the rearrangement.
- the drawing point data corresponding to the drawing element is used by using each pixel data of the transformed image data after the rearrangement a plurality of times. It is possible to cause the computer to further execute a procedure for generating the frame, and to cause the computer to execute a procedure for generating frame data using the generated drawing point data.
- the drawing point forming unit is divided into a plurality of divided regions in the arrangement direction and multiple drawing is performed using the plurality of divided regions
- the rearranged transformed image data corresponding to each divided region is Each of the above main runs according to the order of multiple drawing It is possible to cause the computer to further execute a procedure for shifting in the heel direction and to cause the computer to execute a procedure for generating frame data based on the shifted rearranged image data after rearrangement.
- tilt angle means the smaller one of the angles formed by the arrangement direction of the drawing element group and the scanning direction.
- the “direction in which the addresses are continuous” means the continuous direction of the address in the memory space as viewed from a control unit such as CPU that controls the storage and readout of the pixel data in the storage unit.
- the “multiple drawing” means a drawing format in which drawing points on the same scanning line are drawn in order in a plurality of corresponding drawing elements in each divided region.
- the above-mentioned “shift in the main scanning direction according to the order of multiple drawing” means that the shift amount in the main running direction becomes larger in the divided region where the drawing order is slower, The transformed image data after the rearrangement corresponding to the divided area to be drawn first does not necessarily have to be shifted, and the shift amount may be set to zero.
- the pixel data corresponding to the drawing element group in the image data are arranged in the main scanning direction.
- the image data is subjected to the deformation process, and the frame data is created based on the image data that has undergone the deformation process.
- the storage means stores the storage means that stores the image data that has undergone the deformation process.
- the pixel data is stored so that the direction in which the address of the pixel is continuous matches the arrangement direction in which the pixel data corresponding to the drawing element group is stored, and the stored pixel data is read from the storage means to perform a plurality of drawing operations.
- the pixel data can be read out from the storage means at a higher speed, and the frame data can be read out at a higher speed. It can be formed.
- the pixel data is scanned in such a manner that the pixel data belonging to the same frame data corresponding to each drawing element of the drawing element group is continuously arranged in the main scanning direction.
- the pixel data belonging to the same frame data is grouped by burst transfer, for example. Since it can be read out from the storage means, pixel data can be read out at a higher speed, and frame data can be created at a higher speed.
- the drawing point data corresponding to the drawing element is generated by using each pixel data of the modified image data a plurality of times.
- the capacity of the storage means for storing the image data can be reduced, and the cost can be reduced. Since the reading speed from the storage means can be increased, frame data can be created at a higher speed.
- FIG. 1 is a perspective view showing the appearance of an exposure apparatus using an embodiment of the drawing apparatus of the present invention.
- FIG. 2 is a perspective view showing a configuration of a scanner of the exposure apparatus shown in FIG.
- FIG. 3A is a plan view showing an exposed area formed on the photosensitive material
- FIG. 3B is a view showing an arrangement of exposure areas by each exposure pad.
- FIG. 4 is a partially enlarged view showing the configuration of the DMD of the exposure apparatus of FIG.
- 5A and 5B are perspective views for explaining the operation of the DMD.
- FIG. 6 is a diagram showing an exposure locus of each micromirror of the DMD.
- FIG. 7 is a block diagram showing an electrical configuration of the exposure apparatus shown in FIG.
- FIG. 8 is a diagram showing a correspondence relationship between each pixel data of the image data and each micromirror to which each pixel data is inputted.
- FIG. 9 is a diagram showing an example of the transformed image data.
- FIG. 10 is a diagram showing an example of rearranged image data.
- Figure 1-1 shows the hardware configuration of the pixel data rearrangement unit.
- FIG. 12 is a view showing frame data created by the exposure apparatus shown in FIG. Fig. 13 is a diagram for explaining the frame data creation method when the resolution of the image data is lower than the resolution of the image to be exposed.
- Fig. 14 is a diagram for explaining the frame data creation method when the resolution of the image data is lower than the resolution of the image to be exposed.
- Figure 15 shows the frame data when the resolution of the image data is lower than the resolution of the image to be exposed.
- Fig. 16 is a diagram for explaining multiple exposure.
- Figure 17 is a diagram for explaining how to create frame data used for multiple exposure.
- Figure 18 is a diagram for explaining the conventional frame data creation method. Preferred form for carrying out the invention
- the present exposure apparatus is an exposure apparatus that uses a DMD as a drawing point formation unit in the present invention, and is characterized by a method of creating frame data input to the DMD.
- a DMD as a drawing point formation unit in the present invention
- FIG. 1 is a perspective view showing a schematic configuration of the exposure apparatus of the present embodiment.
- the exposure apparatus 10 of the present embodiment includes a flat plate-shaped moving stage 14 that adsorbs and holds the photosensitive material 12 on the surface.
- Two guides 20 extending along the stage moving direction are installed on the upper surface of the thick plate-like installation table 18 supported by the four legs 16.
- the stage 14 is arranged so that its longitudinal direction faces the stage moving direction, and is supported by the guide 20 so as to be reciprocally movable.
- a U-shaped gate 2 2 is provided at the center of the installation table 18 so as to straddle the moving path of the moving stage 14.
- Each end of the U-shaped gate 22 is fixed to both side surfaces of the mounting table 18.
- a scanner 24 is provided on one side of the gate 22 and a plurality of (for example, two) sensors 26 for detecting the front and rear ends of the photosensitive material 12 are provided on the other side. It has been.
- the scanner 2 4 and the sensor 2 6 are respectively attached to the gate 2 2 and fixedly placed above the moving path of the moving stage 14.
- the scanner 24 and the sensor 26 are connected to an overall control unit (described later) that controls them.
- the scanner 24 includes 10 exposure heads 30 arranged in a matrix of 2 rows and 5 columns.
- the exposure head is denoted as 30 m.
- Each exposure head 30 includes a DMD 36 that is a spatial light modulator.
- DMD 36 a plurality of micromirrors in which micromirrors as drawing elements are arranged in a row are arranged in parallel, and the arrangement direction of the microphone opening mirror row has a predetermined inclination angle 0 with respect to the scanning direction. It is attached to the exposure head 30 as you would. Accordingly, the exposure area 32 by each exposure head 30 is a rectangular area inclined with respect to the scanning direction, as shown in FIGS. 2 and 3B. In the following, the exposure area by each exposure head arranged in the nth column of the mth row is expressed as an exposure area 3 2 m n.
- a fiber array light source (not shown) in which the light emission points of the optical fiber are arranged in a line along the direction corresponding to the long side direction of the exposure area 32 is emitted from the fiber array light source.
- a condensing lens system (not shown) is provided that collimates the collimated laser beam, corrects the collimated laser beam so that the light intensity distribution is uniform, and collects it on the DMD 36. It has been.
- an imaging lens system (not shown) that images the laser beam reflected by DMD 36 on the drawing surface of photosensitive material 120 is disposed on the light reflecting side of DMD 36. Accordingly, as shown in FIG. 3A, as the stage 14 moves, a strip-shaped exposed region 3 4 is formed on the photosensitive material 1 2 for each exposure head 30.
- Each of the exposure heads 3'0 in each row arranged in a line is arranged at a predetermined interval in the arrangement direction so that each of the exposed areas 3 4 partially overlaps the adjacent exposed area 3 4 Has been. For this reason, the portion that cannot be exposed between the exposure area 3 2 1 1 in the first row and the exposure area 3 2 1 2 can be exposed in the exposure area 3 2 2 1 in the second row.
- the DMD 3 6 is a microarray 5 8 supported on a SRAM array (memory cell) 5 6 and supported by support columns.
- 6 8 ⁇ ⁇ , 1 0 2 4 ⁇ 7 6 8) micromirrors 5 8 are two-dimensionally arranged mirror devices.
- a CMOS gate SRAM array 56 of a silicon gate manufactured on a normal semiconductor memory manufacturing line is arranged directly below the micromirror 58 via a support including a hinge and a yoke. Has been.
- FIG. 5A shows a state where the micromirror 58 is tilted to + ⁇ degrees when the micromirror 58 is in an on state
- FIG. 5B shows a state where the micromirror 58 is tilted at a time when the micromirror 58 is in an off state.
- the light beam incident on the micromirror 5 8 when the micromirror 5 8 is in the on state is reflected toward the photosensitive material 1 2 and enters the micromirror 5 8 when the micromirror 5 8 is in the off state.
- the reflected light is reflected toward the light absorbing material other than the photosensitive material 12.
- the light beam reflected by one micromirror 58 is irradiated onto the photosensitive material 12, so that one drawing point constituting the image to be exposed is exposed on the photosensitive material 12.
- the DMD 3 6 is arranged such that the arrangement direction of the microphone opening mirror array 3 6 a is a predetermined inclination angle ⁇ (where 0 ° ⁇ 0 and 90 °). ) Is attached to the exposure head 30 so that the exposure trajectory of each micromirror 58 becomes as shown in Fig. 6, and exposure is performed at a pitch narrower than the arrangement pitch of the micromirrors 58. be able to.
- the exposure device 10 receives the image data output from the image data output device 70, and performs an deformation process on the received image data
- the first frame memory 62 that temporarily stores the deformed image data subjected to the deformation process in the image data deforming unit 61 and the deformed image data stored in the first frame memory 62 are arranged in parallel.
- Control signal to MD 3 6 A D MD controller 65 for outputting a signal and an overall controller 60 for controlling the entire exposure apparatus.
- the image data transformation unit 61, the pixel data rearrangement unit 63, and the frame data creation unit 65 store a program for executing a predetermined procedure, and the overall control unit 6 according to the procedure of the program. 0 controls the operation of the device. The predetermined procedure executed by each program will be described in detail later.
- the overall control unit 60 controls the operations of the stage driving device 80 and the fiber array light source 90 that drive the stage 14.
- first frame memory 62 and the second frame memory for example, DRAM can be used, but MR AM, FR AM, etc. can also be used. Any address can be used as long as addresses can be read sequentially in a continuous direction. Further, a memory from which stored data is read out by so-called burst transfer may be used. Next, the operation of the present exposure apparatus 10 will be described in detail.
- an image data output device 70 such as a computer
- image data corresponding to an image exposed to the photosensitive material 12 is created, and the image data is output to the exposure device 10, and the rain image data deforming unit 6 1 Is input.
- the image data D input to the image data transformation unit 61 has a large number of pixel data d arranged two-dimensionally in the main scanning direction and the sub-scanning direction orthogonal to the main scanning direction. It has been done.
- circles 1 to 24 in FIG. 8 schematically show the DMD 3 6 micromirror 58, and FIG. 8 shows each pixel data d of the image data D and each pixel data d thereof. The correspondence with each micromirror is input.
- Each grid in FIG. 8 represents pixel data as described above, and also represents pixels constituting an image exposed on the photosensitive material 12, and image data D is represented in FIG.
- the scan direction shown in FIG. 1 is made to match the sub-scanning direction.
- the triangle mark in FIG. 8 shows the arrangement of the micromirrors 58 when the DMD 36 is moved by one pixel in the scanning direction. That is, one frame data is created by the pixel data d corresponding to circles 1 to 24 in FIG. 8, and the next frame data of the frame data is created by the pixel data d corresponding to the triangle mark in FIG. Will be.
- the resolution of the image data D is higher than the resolution of the micromirror 58 of DMD 36.
- the arrangement direction of the micromirror array 36 a is the DMD running direction (sub-image data D as described above). Since the pixel data d corresponding to each micromirror 58 is collected individually, as described above, it is necessary to read out the pixel data from the memory in which the image data is stored. It takes a long time and the creation time of the frame data becomes long.
- the image data deformation unit 61 Then, the transformation process is performed on the image data. Specifically, as shown in FIG. 9, the image data is subjected to deformation processing so that the arrangement direction of the pixel data corresponding to each microphone mirror 58 matches the main scanning direction. As the deformation process, for example, the pixel data corresponding to each microphone mirror 58 may be shifted in the direction opposite to the sub-scanning direction shown in FIG.
- the transformed image data subjected to the transformation process as described above is output from the image data transformation unit 61 and stored in the first frame memory 62.
- the data is stored so that the direction in which the addresses in the first frame memory 62 continue and the arrangement direction in which the pixel data arranged in the main scanning direction are stored coincide.
- the pixel data rearrangement unit 63 performs a rearrangement process on the transformed image data stored in the first frame memory 62 as described above. Specifically, for the pixel data arranged in the main scanning direction in the deformed image data shown in FIG. 9, by selecting and collecting pixel data arranged for each predetermined number of pixel data one by one, the same frame The pixel data belonging to the data is collected, and the collected pixel data is continuously arranged. By performing the above-described processing in order from the leftmost pixel data of the pixel data arranged in the main scanning direction, the transformed image data shown in FIG. 9 becomes the rearranged image as shown in FIG. Data.
- the rearranged image data is subjected to the rearrangement process so that the pixel data force S belonging to the same frame data and the main scanning direction are arranged side by side in succession.
- the rearrangement process as described above may be performed by a program or may be performed by hardware. Specifically, for example, as shown in FIG. 11, ⁇ (for example, four when the rearrangement processing is applied to the transformed image data shown in FIG. 9) first registers 6 3 a, selected by the first selector 6 3 b and the first selector 6 3 b that select and output one pixel data from the pixel data held in the m first registers 6 3 a N with second register 6 3 c to hold pixel data (For example, when the reordered image data shown in FIG.
- a second selector 6 3 e that selects and outputs one of the pixel data held in c, and a third register 6 that holds the pixel data output from the second selector 6 3 e 3 f may be provided.
- the pixel data arranged in the main scanning direction in the transformed image data shown in FIG. In order, four outputs are output for each selection circuit 6 3 d and held in the register 6 3 a of each selection circuit 6 3 d. That is, the first selection circuit 6 3 d holds pixel data corresponding to circle 1 in FIG.
- the second selection circuit 6 3 d holds the pixel data corresponding to circle 2 in FIG. 9 and the pixel data arranged three consecutively to the right of the pixel data.
- the pixel data corresponding to circle 3 of 9 and the pixel data arranged three consecutively to the right from the pixel data are held, and the Nth selection circuit 6 3 d corresponds to circle N of FIG.
- the pixel data and the pixel data arranged three consecutively to the right from the pixel data are retained. Then, the pixel data held in the first first register 63a is selected and output by the first selector 63b in each selection circuit 63d, and each pixel data is output to the second register 63c. Retained.
- the pixel data held in the second register 6 3 c of each selection circuit 6 3 d is sequentially selected and read by the second selector 6 3 e, and held in the third register 6 3 f After that, it is sequentially output to the second frame memory 64 and can be stored sequentially.
- the pixel data held in the second second register 6 3 a is selected and output by the first selector 6 3 b in each selection circuit 63 d, and the second register 6 3 d is output. 3 retained in c.
- the pixel data held in the second register 6-3c of each selection circuit 63d is sequentially selected and read by the second selector 63d, and is read into the third register 63f.
- each selection circuit 6 3d 3rd and 4th The pixel data held in the first register 63 a of the eye is also read in the same manner as described above and stored in the second frame memory 64. Then, the same processing as described above is performed for each column of pixel data arranged in the main scanning direction, so that rearranged image data can be created.
- the rearranged image data in which the pixel data is arranged is stored in the second frame memory 64. Also in this case, the second frame memory 64 is stored so that the direction in which the addresses of the second frame memory 64 are continuous matches the arrangement direction in which the pixel data arranged in the main scanning direction is stored.
- the frame data creation unit 65 creates frame data based on the rearranged image data stored in the second frame memory 64 as described above. Specifically, the frame data creation unit 65 corresponds to pixel data belonging to the same frame data in the rearranged processed image data shown in FIG. 10, for example, the micromirrors 5 8 of circles 1 to 24 Frame data 1 as shown in Fig. 12 is created by collecting and collecting pixel data. Next, frame data 2 shown in FIG. 12 is created by selecting and collecting pixel data corresponding to the triangle marks in FIG. Then, all the frame data is created based on the image data D by repeating the same processing as described above.
- the frame data creation unit 65 then sequentially outputs each frame data created as described above to the DMD controller 66, and the DMD controller 66 generates a control signal corresponding to the input frame data. .
- the frame data as described above is created for each DMD 36 of each exposure head 30 and a J signal is generated for each DMD 36.
- a control signal for each exposure head 30 is generated as described above, and a stage drive control signal is output from the overall control unit 60 to the stage drive device 80, and stage drive is performed.
- the apparatus 80 moves the moving stage 14 along the guide 20 in the stage moving direction at a desired speed in accordance with the stage drive control signal.
- the DMD controller 6 5 goes to each exposure.
- a control signal is output to the DMD 36 of the head 30 and drawing for each exposure head 30 is started.
- the photosensitive material 1 2 moves at a constant speed together with the moving stage 14, and the photosensitive material 12 is scanned in the direction opposite to the stage moving direction by the scanner 24, and a strip-shaped exposure is performed for each exposure head 30.
- a finished region 3 4 is formed.
- the moving stage 14 is moved by the stage driving device 72. After returning to the origin on the most upstream side of the gate 22 along the guide 20 and installing a new photosensitive material 12, again from the upstream side of the gate 22 along the guide 20. Move downstream at a constant speed.
- an exposure point may be formed by a plurality of micromirrors 58 using one pixel data d of image data D, and one pixel may be configured by the plurality of exposure points.
- pixel data d and micromirror 5 8 when an exposure point is formed by four micromirrors 5 8 using one pixel data of image data D, and a plurality of exposure points constitute one pixel.
- Figure 13 shows the correspondence between the pixel and the pixel. The shaded area in Fig.
- the image data D is subjected to deformation processing to generate the deformation processed image data as shown in FIG.
- the transformed image data is subjected to the rearrangement process, and the rearranged image data is stored in the second frame memory 64 as described above, and then the second frame is processed.
- Each stored in memory 6 4 Frame data may be created by reading pixel data multiple times.
- pixel data corresponding to circle 1 to circle 6 shown in FIG. Read the pixel data corresponding to circle 7 to circle .1 2, the pixel data corresponding to circle 1 3 to circle 1 8, and the pixel data corresponding to circle 1 9 Rikihara et al.
- the frame data as shown in 5 should be created.
- the circles 1 to 24 shown in FIG. 8 represent the four micromirrors in the hatched portion shown in FIG.
- the frame data may be created by reading out the pixel data in the transformed image data before the rearrangement process a plurality of times.
- DMD 3 6 consisting of NXM micromirrors 58 as shown in Fig. 16 is tilted by the tilt angle 0 as shown in Fig. 16 with respect to the scanning direction, and the same scanning line L is
- the same image is exposed by areas 1 to 4 consisting of NXa micromirrors 58, but the micromirror rows in each area are exposed.
- the input drawing point data is shifted by one pixel for each area in the direction in which the micromirror array extends for each area.
- the transformation process and the rearrangement process are performed on the image data corresponding to the micro mirror 58 in area 1 in the same manner as described above.
- rearranged image data corresponding to area 1 is created, and then the image data corresponding to micromirrors 58 in area 1 is transformed, and then one pixel data From the pixel data shifted to the right, that is, the second pixel data from the right, the rearranged image data corresponding to area 2 as shown in FIG.
- the pixel data shifted to the right by one pixel data, that is, the third pixel data from the right is the same as above.
- FIG. 17 By performing the replacement process, shown in Figure 1 7 The rearranged image data corresponding to area 3 is created, and the pixel data shifted to the right by one pixel data for the deformed image data corresponding to area 1, that is, 4 from the right
- the rearranged image data corresponding to area 4 as shown in Fig. 17 is created from the second pixel data by performing the rearrangement process in the same manner as described above. As shown in Fig. 17, 0 data is inserted for the area shifted from area 2 to area 4 to the right.
- N pixel data of each block is read a plurality of times to generate drawing point data corresponding to the plurality of micromirrors 58, and create partial frame data using the drawing point data. You may do it.
- the exposure apparatus provided with the DMD as the spatial light modulation element has been described.
- a transmissive spatial light modulation element can also be used. .
- a so-called flood bed type exposure apparatus has been described as an example, but a so-called outer drum having a drum around which a photosensitive material is wound. It may be a multi-type exposure apparatus.
- the photosensitive material 12 to be exposed in the above embodiment may be a printed board or a display filter.
- the shape of the photosensitive material 12 may be a sheet-like material or a long material (such as a flexi / resin substrate).
- the drawing method copying apparatus can be applied to drawing control in a printer such as an ink jet method.
- the drawing point by ink ejection can be controlled by the same method as in the present invention.
- the drawing element in the present invention can be considered by replacing it with an element that places a drawing point by discharging ink or the like.
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- Multimedia (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Facsimile Scanning Arrangements (AREA)
- Holo Graphy (AREA)
- Image Processing (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Record Information Processing For Printing (AREA)
- Fax Reproducing Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/813,704 US20090066812A1 (en) | 2005-01-11 | 2006-01-06 | Frame data creation method and apparatus, frame data creation program, and plotting method and apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-004004 | 2005-01-11 | ||
| JP2005004004A JP2006192607A (ja) | 2005-01-11 | 2005-01-11 | フレームデータ作成方法および装置並びにフレームデータ作成プログラム、描画方法および装置 |
Publications (2)
| Publication Number | Publication Date |
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| WO2006075673A1 true WO2006075673A1 (ja) | 2006-07-20 |
| WO2006075673A8 WO2006075673A8 (ja) | 2007-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/300318 Ceased WO2006075673A1 (ja) | 2005-01-11 | 2006-01-06 | フレームデータ作成方法および装置並びにフレームデータ作成プログラム、描画方法および装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20090066812A1 (ja) |
| JP (1) | JP2006192607A (ja) |
| KR (1) | KR20070104363A (ja) |
| CN (1) | CN101102900A (ja) |
| TW (1) | TW200637350A (ja) |
| WO (1) | WO2006075673A1 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007096124A (ja) * | 2005-09-29 | 2007-04-12 | Fujifilm Corp | フレームデータ作成装置、方法及び描画装置 |
| JP4937705B2 (ja) * | 2006-11-14 | 2012-05-23 | 株式会社オーク製作所 | 多重露光装置 |
| TWI386911B (zh) * | 2007-10-24 | 2013-02-21 | Novatek Microelectronics Corp | 用以排列具有水平分割資料之裝置及其方法 |
| JP2013257665A (ja) * | 2012-06-11 | 2013-12-26 | Canon Inc | 映像処理装置、映像処理装置の制御方法 |
| CN102778819B (zh) * | 2012-07-31 | 2014-10-15 | 中国科学院长春光学精密机械与物理研究所 | 一种用于点阵式无掩模光刻的曝光帧数据的产生方法 |
| CN102890427B (zh) * | 2012-09-18 | 2014-10-01 | 天津津芯微电子科技有限公司 | 一种直写式光刻系统的fpga中倾斜数据准备的方法 |
| US20160180821A1 (en) * | 2014-12-23 | 2016-06-23 | Intel Corporation | Distributed memory panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0596792A (ja) * | 1991-10-11 | 1993-04-20 | Canon Inc | プリンタ制御装置 |
| JP2003103846A (ja) * | 2001-09-28 | 2003-04-09 | Seiko Instruments Inc | インクジェットプリンタ |
| JP2004009595A (ja) * | 2002-06-07 | 2004-01-15 | Fuji Photo Film Co Ltd | 露光ヘッド及び露光装置 |
| JP2004330536A (ja) * | 2003-05-06 | 2004-11-25 | Fuji Photo Film Co Ltd | 露光ヘッド |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69221410T2 (de) * | 1991-09-19 | 1997-12-11 | Canon Kk | Serienaufzeichnungsverfahren mit Möglichkeit zur Änderung der Auflösung |
-
2005
- 2005-01-11 JP JP2005004004A patent/JP2006192607A/ja active Pending
-
2006
- 2006-01-06 KR KR1020077017265A patent/KR20070104363A/ko not_active Withdrawn
- 2006-01-06 CN CNA2006800019586A patent/CN101102900A/zh active Pending
- 2006-01-06 US US11/813,704 patent/US20090066812A1/en not_active Abandoned
- 2006-01-06 WO PCT/JP2006/300318 patent/WO2006075673A1/ja not_active Ceased
- 2006-01-09 TW TW095100712A patent/TW200637350A/zh unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0596792A (ja) * | 1991-10-11 | 1993-04-20 | Canon Inc | プリンタ制御装置 |
| JP2003103846A (ja) * | 2001-09-28 | 2003-04-09 | Seiko Instruments Inc | インクジェットプリンタ |
| JP2004009595A (ja) * | 2002-06-07 | 2004-01-15 | Fuji Photo Film Co Ltd | 露光ヘッド及び露光装置 |
| JP2004330536A (ja) * | 2003-05-06 | 2004-11-25 | Fuji Photo Film Co Ltd | 露光ヘッド |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006075673A8 (ja) | 2007-09-27 |
| CN101102900A (zh) | 2008-01-09 |
| TW200637350A (en) | 2006-10-16 |
| US20090066812A1 (en) | 2009-03-12 |
| KR20070104363A (ko) | 2007-10-25 |
| JP2006192607A (ja) | 2006-07-27 |
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