CN103593121A - One-fourth-screen display method used for visual aligning between chip pin and welding disc - Google Patents
One-fourth-screen display method used for visual aligning between chip pin and welding disc Download PDFInfo
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- CN103593121A CN103593121A CN201310463276.9A CN201310463276A CN103593121A CN 103593121 A CN103593121 A CN 103593121A CN 201310463276 A CN201310463276 A CN 201310463276A CN 103593121 A CN103593121 A CN 103593121A
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Abstract
Disclosed is a one-fourth-screen display method used for visual aligning between a chip pin and a welding disc. The method includes step 1, mapping an original image to a display area for integral previewing; S2, when entering a rectangular frame selecting mode, selecting local images in the original image through four rectangular selection frames respectively, acquiring sizes and positions of the four rectangular selection frames relatively to the display area, and calculating sizes and positions of selected local images; S3, when entering a one-fourth-screen mode, replacing the display area by a one-fourth-screen display area, and mapping the four local images acquired in the step S2 to the one-fourth-screen display area for displaying respectively; S4, when an integral previewing mode is selected or the rectangular frame selection mode needs to be selected again, returning to S1 or S2, or, remaining one-fourth-screen displaying. The one-fourth-screen display method is suitable for equipment like BGA repair platforms and chip mounters, double requirements of the equipment on both definition and image range of visual aligning can be met ideally, and equipment efficiency is improved.
Description
Technical field
The invention belongs to image and show field, be specifically related to a kind of four multi-screen display methods for visual-alignment between chip pin and pad.
Background technology
At present, chip package form trends towards without pin package pattern, in order to mount exactly and weld this class chip, need to obtain the image of chip bonding pad.At present the imaging system of this type of chip, conventionally with the pad image of the mode display chip of single screen, if need to adjust the position of image-region, need to be adjusted the physical location of camera, and structure and operation are comparatively complicated; And the occasion at chip bonding pad visual-alignment, actual requirement only needs to observe the pad of four angular zones of chip bonding pad often, therefore be subject to the restriction of screen size, the double requirements of the unable competent sharpness of traditional single screen displaying scheme and image range, thus for using, user brought very large inconvenience.
Summary of the invention
Problem in view of existing visual-alignment display technique existence, the invention provides a kind of display packing for visual-alignment between chip pin and pad, the method is selected by whole preview, rectangle frame and four split screens show that three kinds of patterns form, three kinds of pattern interworkings can meet the requirement to visual-alignment between chip pin and pad such as BGA Rework station, chip mounter
Plant efficiency is improved.
The present invention, for four multi-screen display methods of visual-alignment between chip pin and pad, comprises the following steps:
S1. the original image of input is mapped to the whole preview in viewing area;
S2. when selecting rectangle frame preference pattern, by default four rectangular selection frames (being Reck Tracker Drawing Object), select respectively the Yi Ge topography in described original image, obtain four rectangular selection frames with respect to size and the position of viewing area, and calculate size and the position of 4 selected topographies; Otherwise, return to step S1;
S3. when selecting four span mode, viewing area is replaced to four split screen viewing areas, the Si Ge topography then step S2 being obtained is mapped to respectively four split screen viewing areas and shows simultaneously; Otherwise, return to step S2;
S4. when selecting whole preview mode, return to step S1, otherwise, rest on four split screens and show; Or in the time of need to reselecting rectangle frame preference pattern, return to step S2, otherwise, rest on four split screens and show.
In the whole preview mode of step S1, the rolling operation by mouse roller amplifies and dwindles the image in display screen, and by the position of mouse drag operation adjustment viewing area.
In step S2 rectangle frame preference pattern, by adjusting the size of four rectangle frames and the position that split screen viewing area is selected in position; And when adjusting one of them rectangle frame big or small, the size of other three rectangle frames is synchronous change thereupon.
In step S3 tetra-span mode, the image in each split screen can operate the position of independently adjusting viewing area by mouse drag; Each split screen can amplify and dwindle by the rolling operation by mouse roller, and the amplification of other split screens and to dwindle be also synchronous.
In step S4, while switching to step S2 rectangle frame preference pattern by four span mode, under four span mode, to the adjustment of the adjustment of image size and position, can be synchronized in four rectangle frames of rectangle frame preference pattern, the size of four rectangle frames is consistent with lower four the shown image-regions of split screen of position and four span mode.
The size of described original image is 2048*1536 pixel, and the size of described viewing area is 800*600 pixel, and in described four split screen viewing areas, the size of each split screen viewing area is 400*300 pixel.
Described original image is to obtain by gamma camera or digital camera.
Described gamma camera, digital camera are installed on BGA Rework station or chip mounter.
The present invention is by the display mode compositing chip pad imaging displaying scheme of above-mentioned three kinds of interworkings, the integrated advantage of three kinds of display modes.Under whole preview mode, can check size and the position of whole image, selection viewing area; Under rectangle frame preference pattern, can, by adjusting size and the position of four rectangle frames, adjust size and the position of image-region in four split screens; Under four span mode, general image can be divided into four relatively independent split screens and show, utilize four split screens can independently check the image at four angles of chip bonding pad.
Under whole preview and four span mode, can obtain image clearly by image zooming function, and can check by the drag function of image any corner of chip bonding pad; Rectangle frame preference pattern and four span mode interactive intelligences, by rectangle frame preference pattern, determine four image-regions of four span mode, and under four span mode, to dragging with convergent-divergent of viewing area, can feed back to rectangle frame preference pattern, realize seamless link.
The inventive method is applicable to BGA Rework station, chip mounter or other similar devices and uses, and can desirable meet the double requirements of equipment to the sharpness of visual-alignment and image range, improves plant efficiency.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the present invention's four multi-screen display methods;
The display effect schematic diagram that Fig. 2-4 are three kinds of display modes of the present invention;
Fig. 5 is to be a device for carrying out said block scheme of realizing the inventive method.
Fig. 6 is that four split screens of an example of the inventive method realization Show Picture.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Device for carrying out said shown in Fig. 51 comprises the parts such as the processor 2 of tape storage, the display 3 that is connected in processor output terminal, the mouse 4 being connected with processor input end and image acquiring device 1.The original image that processor 2 is processed is from image acquiring device 1, and image acquiring device can be camera, camera etc.Display 3 can be the displays such as CRT, LCD, LED.Mouse 4 can use touch-screen, Trackpad etc. to substitute.
By Fig. 5 device for carrying out said, the inventive method can be applied in the bga chip pad imaging system of BGA Rework station.Fig. 2-4 are the display effect schematic diagram of three kinds of display modes, and wherein, chip bonding pad 20 is arranged on pcb board 10.
With reference to Fig. 1-4, the inventive method implementation procedure is as follows:
S1. processor 2 is mapped to viewing area by the original image from image acquiring device 1, by the whole preview of display 3 (pattern 1), sees Fig. 2;
In the whole preview mode of step, the rolling operation by mouse roller amplifies and dwindles the image in display screen, and available left mouse button drags image, so that check that in advance parts of images is presented in screen.
S2. by mouse 4, select to enter rectangle frame preference pattern (pattern 2), as shown in Figure 3, the preview image that retains step S1 shows corresponding four the Reck Tracker Drawing Objects of four default rectangular selection frame a1, a2, a3 and a4(simultaneously in viewing area); In described original image, the Yi Ge topography of selecting respectively by these four rectangular selection frames, obtains four rectangular selection frames with respect to size and the position of viewing area, and by processor 2, is calculated size and the position of 4 selected topographies; Otherwise, still rest on the whole preview of step S1;
In pattern 2, shown in Fig. 3, four rectangulars select frame a1, a2, a3 and a4 to pull to adjust size and position by mouse, thereby determine image-region and the size that will show under follow-up four span mode.When adjusting one of them rectangle frame size, the size of other rectangle frames changes thereupon.With the selected arbitrary rectangle frame of left mouse button, its position is adjusted; Pin the selected rectangle frame frame of left mouse button, rolling mouse is adjusted rectangle frame size, other three synchronous adjustment of rectangle frame size.
S3. by mouse 4, select to enter four split screen display modes (mode 3), processor 2 replaces to four split screen viewing areas by viewing area, then Si Ge topography step S2 being obtained is mapped to respectively four split screen viewing areas, show the topography that rectangular selection frame is selected simultaneously, as shown in Figure 4, by four split screen b1, b2, b3 and b4, can very clearly check as known in the figure the image of four jiaos of chip bonding pads simultaneously.Otherwise, still rest on step S2 pattern 2;
In mode 3, the image in each split screen can operate the position of independently adjusting viewing area by mouse drag; Each split screen can amplify and dwindle by the rolling operation by mouse roller, and the amplification of other split screens and to dwindle be also synchronous.
S4. under four split screens show, when by mouse 4 preference pattern 1, return to step S1, otherwise, rest on four split screens and show; Or in the time of need to reselecting rectangle frame preference pattern, return to step S2, otherwise, still rest on four split screens and show.
In step S4, while switching to step S2 rectangle frame preference pattern by four span mode, under four span mode, to the adjustment of the adjustment of image size and position, can be synchronized in four rectangle frames of rectangle frame preference pattern, the size of four rectangle frames is consistent with lower four the shown image-regions of split screen of position and four span mode.
The image section that in rectangle frame preference pattern, the number of rectangular selection frame is checked as required or image-region are determined, select 4 in Fig. 3, in other embodiments, also can select 2,3,5 or more.
Fig. 6 is that four split screens of an example of the inventive method realization Show Picture, and shows to be mapped to respectively by 4 selected Si Ge topographies of rectangular selection frame the situation that four split screen viewing areas show simultaneously.Wherein, the size of original image is 2048*1536 pixel, and the size of former single screen viewing area is 800*600 pixel, and in described four split screen viewing areas, the size of each split screen viewing area is 400*300 pixel.
In Fig. 6, " normally ", " four split screens ", " gravity treatment " represent subsidiary several selection buttons.Mouse selects " four split screens " button indication in four split screen display modes; If mouse is clicked " gravity treatment " button, again enter rectangle frame preference pattern; If mouse is clicked " normally " button, get back to whole preview mode.
By specific embodiment, the present invention has been done to detailed explanation above, these concrete descriptions can not think that the present invention only only limits to the content of these embodiment.Those skilled in the art conceive according to the present invention, these descriptions any improvement of making in conjunction with general knowledge known in this field, be equal to replacement scheme, all should be included in the protection domain of the claims in the present invention.
Claims (8)
1. for four multi-screen display methods of visual-alignment between chip pin and pad, it is characterized in that comprising the following steps:
S1. the original image of input is mapped to the whole preview in viewing area;
S2. when selecting rectangle frame preference pattern, by default four rectangular selection frames (being Reck Tracker Drawing Object), select respectively the Yi Ge topography in described original image, obtain four rectangular selection frames with respect to size and the position of viewing area, and calculate size and the position of 4 selected topographies; Otherwise, return to step S1;
S3. when selecting four split screen display modes, described viewing area is replaced to four split screen viewing areas, 4 topographies that then step S2 obtained are mapped to respectively four split screen viewing areas and show simultaneously; Otherwise, return to step S2;
S4. when selecting whole preview mode, return to step S1, otherwise, rest on four split screens and show; Or in the time of need to reselecting rectangle frame preference pattern, return to step S2, otherwise, rest on four split screens and show.
2. method according to claim 1, is characterized in that, in the whole preview mode of step S1, the rolling operation by mouse roller amplifies and dwindles the image in display screen, and by the position of mouse drag operation adjustment viewing area.
3. method according to claim 1, is characterized in that, in step S2 rectangle frame preference pattern, by adjusting the size of four rectangle frames and the position that split screen viewing area is selected in position; And when adjusting one of them rectangle frame big or small, the size of other three rectangle frames is synchronous change thereupon.
4. method according to claim 1, is characterized in that, in step S3 tetra-span mode, the image in each split screen can operate the position of independently adjusting viewing area by mouse drag; Each split screen can amplify and dwindle by the rolling operation by mouse roller, and the amplification of other split screens and to dwindle be also synchronous.
5. method according to claim 1, it is characterized in that, when step S4 switches to step S2 rectangle frame preference pattern by four span mode, under four span mode, to the adjustment of the adjustment of image size and position, can be synchronized in four rectangle frames of rectangle frame preference pattern, the size of four rectangle frames is consistent with lower four the shown image-regions of split screen of position and four span mode.
6. method according to claim 1, is characterized in that, described original image is to obtain by gamma camera or digital camera.
7. method according to claim 6, is characterized in that, described gamma camera, digital camera are installed on BGA Rework station or chip mounter.
8. method according to claim 1, it is characterized in that, the size of described original image is 2048*1536 pixel, and the size of described viewing area is 800*600 pixel, and in described four split screen viewing areas, the size of each split screen viewing area is 400*300 pixel.
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