Endoscope module attaching device of stacked WLO lens

Abstract

The utility model relates to the technical field of optics, and discloses an endoscope module attaching device of a stacked WLO lens, which is characterized in that the WLO lens is placed on a rotating platform, is adsorbed by a suction nozzle, slides to a plurality of chips which are arranged in parallel by a chip typesetting jig through a guide rail assembly, and is dispensed on the chips through a dispenser assembly; and the WLO lens is attached to the chip, and the UV lamp assembly is used for irradiating the UV energy light, so that the quality and efficiency of the manufacturing and attaching process of the WLO lens are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optics, in particular to an endoscope module attachment device of a stacked WLO lens. Background Art

[0002] Wafer Level Optics (WLO) is a wafer-level lens manufacturing technology that manufactures optical lenses through wafer packaging. It is the product of the combination of semiconductor technology and optical technology.

[0003] In the manufacturing process of micro lenses, accurately attaching the micro lenses to the optical elements is a key step. The accuracy and efficiency of this step directly affect the performance and production cost of the entire optical system. However, due to the small size of the micro lenses, the attachment process is very technically difficult. Therefore, the development of a WLO lens attachment system that can achieve high precision, high efficiency and low cost is an urgent need for current technological development. Utility Model Content

[0004] In order to overcome the defects of the above-mentioned prior art, the purpose of the utility model is to provide an endoscope module attachment device for a stacked WLO lens to solve the technical problems in the prior art of small size of the miniature lens, great adsorption difficulty and low attachment accuracy.

[0005] The utility model is realized by the following technical solutions:

[0006] The present invention provides an endoscope module attaching device for a stacked WLO lens, comprising a workbench, a guide rail assembly, a rotating platform, a chip layout jig, a glue dispenser assembly, a UV lamp assembly, and a suction nozzle; the rotating platform and the chip layout jig are respectively placed on the workbench, a plurality of chips are arranged in parallel on the chip layout jig, the glue dispenser assembly and the UV lamp assembly are respectively aligned with the plurality of chips, and a WLO lens is placed on the rotating platform; the guide rail assembly is arranged above the workbench, the suction nozzle is slidably arranged on the guide rail, the suction port end of the suction nozzle is aligned with the WLO lens, and the WLO lens is adsorbed and slid through the guide rail assembly to the plurality of chips arranged in parallel on the chip layout jig.

[0007] Preferably, the positions of the rotating platform and the chip layout fixture on the workbench are arranged corresponding to the moving direction of the guide rail assembly.

[0008] Preferably, the dispenser assembly is arranged near the chip layout jig, wherein the dispenser assembly includes a dispenser, a dispenser bracket and a first power supply, the first power supply is arranged near the chip layout jig, a power cord is provided in the dispenser bracket, one end of the dispenser bracket is connected to the first power supply through the power cord, and the other end is connected to the dispenser through the power cord, and the output end of the dispenser is aligned with several chips on the chip layout jig.

[0009] Preferably, the UV lamp assembly is arranged near the chip layout jig, wherein the UV lamp assembly includes two groups of UV lamps, two groups of UV lamp brackets and a second power supply, the second power supply is arranged near the chip layout jig, the two groups of UV lamps are respectively distributed on both sides of the chip layout jig, power cords are arranged in the two groups of UV lamp brackets, one end of the two groups of UV lamp brackets is connected to the second power supply through the power cord, and the other end is respectively connected to the two groups of UV lamps through the power cord.

[0010] Furthermore, the output ends of the two groups of UV lamps are aligned with a plurality of chips placed on the chip layout jig.

[0011] Preferably, the guide rail assembly includes a guide rail and two groups of lifting brackets, the two groups of lifting brackets are respectively arranged on both sides of the workbench, the two ends of the guide rail are respectively arranged on the two groups of lifting brackets and are located above the workbench, and the suction nozzle is slidably arranged on the guide rail.

[0012] Furthermore, the lifting heights of the two sets of lifting brackets are equal.

[0013] Preferably, the size of the suction mouth end of the suction nozzle corresponds to the size of the WLO lens.

[0014] Preferably, the bottom of the chip has a plurality of solder balls, and the chip layout jig is provided with a plurality of solder ball holes corresponding to the plurality of solder balls, and the plurality of solder balls are correspondingly embedded in the solder ball holes.

[0015] Preferably, the working surface of the workbench is arranged in a plane.

[0016] Compared with the prior art, the utility model has the following beneficial technical effects:

[0017] The utility model provides an endoscope module attaching device for a stacked WLO lens, which places the WLO lens on a rotating platform, adsorbs the WLO lens through a suction nozzle, slides the WLO lens onto a plurality of chips arranged in parallel on a chip layout fixture through a guide rail assembly, performs glue dispensing on the chip through a glue dispenser assembly, attaches the WLO lens to the chip, and then irradiates UV energy light through a UV lamp assembly, so as to improve the quality and efficiency of the manufacturing and attaching process of the WLO lens.

[0018] Furthermore, the positions of the rotating platform and the chip layout jig on the workbench are set corresponding to the moving direction of the guide rail assembly, so as to facilitate aligning the suction end of the suction nozzle with the WLO lens and adsorbing the WLO lens to slide through the guide rail assembly to several chips arranged in parallel on the chip layout jig.

[0019] Furthermore, the dispenser assembly includes a dispenser, a dispenser bracket and a first power supply. The first power supply is arranged near the chip layout jig. A power cord is provided in the dispenser bracket. One end of the dispenser bracket is connected to the first power supply through the power cord, and the other end is connected to the dispenser through the power cord. The output end of the dispenser is aligned with several chips on the chip layout jig, and the dispensing operation can be effectively performed on the chip, which facilitates the attachment between the chip and the lens.

[0020] Furthermore, a UV lamp assembly is arranged near the position of the chip layout jig, wherein the UV lamp assembly includes two groups of UV lamps, two groups of UV lamp brackets and a second power supply, the second power supply is arranged near the position of the chip layout jig, the two groups of UV lamps are respectively distributed on both sides of the chip layout jig, power cords are arranged in the two groups of UV lamp brackets, one end of the two groups of UV lamp brackets is connected to the second power supply through the power cord, and the other end is respectively connected to the two groups of UV lamps through the power cord, and the UV energy light is irradiated by the UV lamp assembly to achieve a fixing effect, so as to improve the quality and efficiency of the manufacturing and attachment process of the WLO lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the attachment device of the utility model;

[0022] Figure 2 It is a top view of the attachment device of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the WLO lens of the utility model attached to the chip;

[0024] Figure 4 This is a schematic diagram of the chip layout fixture structure of the utility model;

[0025] In the figure: 1-workbench; 2-guide rail; 3-rotating platform; 4-chip layout fixture; 5-chip; 6-dispenser; 7-dispenser bracket; 8-first power supply; 9-UV lamp; 10-UV lamp bracket; 11-second power supply; 12-nozzle; 13-WLO lens; 14-lifting bracket; 15-solder ball. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, products or devices.

[0028] The utility model is further described in detail below with reference to the accompanying drawings:

[0029] The utility model aims to provide an endoscope module attachment device for a stacked WLO lens, so as to solve the technical problems in the prior art of small size of the micro lens, great adsorption difficulty and low attachment accuracy.

[0030] See also Figure 1 and Figure 2 In one embodiment of the utility model, an endoscope module attachment device for a stacked WLO lens is provided, including a workbench 1, a guide rail assembly, a rotating platform 3, a chip layout jig 4, a glue dispenser assembly, a UV lamp assembly, and a suction nozzle 12; the rotating platform 3 and the chip layout jig 4 are respectively placed on the workbench 1, a plurality of chips 5 are arranged in parallel on the chip layout jig 4, the glue dispenser assembly and the UV lamp assembly are respectively aligned with the plurality of chips 5, and a WLO lens 13 is placed on the rotating platform 3; the guide rail assembly is arranged above the workbench 1, the suction nozzle 12 is slidably arranged on the guide rail, the suction end of the suction nozzle 12 is aligned with the WLO lens 13, and the WLO lens 13 is adsorbed and slid through the guide rail assembly to the plurality of chips 5 arranged in parallel on the chip layout jig 4.

[0031] Specifically, the positions of the rotating platform 3 and the chip layout fixture 4 on the workbench 1 are arranged corresponding to the moving direction of the guide rail assembly.

[0032] Specifically, the glue dispenser assembly is arranged near the chip layout jig 4, wherein the glue dispenser assembly includes a glue dispenser 6, a glue dispenser bracket 7 and a first power supply 8, wherein the first power supply 8 is arranged near the chip layout jig 4, and a power cord is provided in the glue dispenser bracket 7, one end of the glue dispenser bracket 7 is connected to the first power supply 8 through the power cord, and the other end is connected to the glue dispenser 6 through the power cord, and the output end of the glue dispenser 6 is arranged to align with several chips 5 on the chip layout jig 4.

[0033] Specifically, the UV lamp assembly is arranged near the chip layout jig 4, wherein the UV lamp assembly includes two groups of UV lamps 9, two groups of UV lamp brackets 10 and a second power supply 11, wherein the second power supply 11 is arranged near the chip layout jig 4, and the two groups of UV lamps 9 are respectively distributed on both sides of the chip layout jig 4, and power cords are arranged in the two groups of UV lamp brackets 10, and one end of the two groups of UV lamp brackets 10 is connected to the second power supply 11 through the power cord, and the other end is respectively connected to the two groups of UV lamps 9 through the power cord.

[0034] The output ends of the two groups of UV lamps 9 are aligned with the plurality of chips 5 placed on the chip layout jig 4 .

[0035] Specifically, the guide rail assembly includes a guide rail 2 and two sets of lifting brackets 14, the two sets of lifting brackets 14 are respectively arranged on both sides of the workbench 1, the two ends of the guide rail 2 are respectively arranged on the two sets of lifting brackets 14, and are located above the workbench 1, and the suction nozzle 12 is slidably set on the guide rail 2.

[0036] The lifting heights of the two sets of lifting brackets 14 are equal.

[0037] Specifically, the size of the suction port end of the suction nozzle 12 corresponds to the size of the WLO lens.

[0038] Specifically, according to Figure 3 and Figure 4 As shown, the bottom of the chip 5 has a plurality of solder balls 15 , and the chip layout fixture 4 is provided with a plurality of solder ball holes corresponding to the plurality of solder balls 15 , and the plurality of solder balls are correspondingly embedded in the solder ball holes.

[0039] Specifically, the working surface of the workbench 1 is a flat surface.

[0040] The utility model provides an endoscope module attachment device with a stacked WLO lens. When in use:

[0041] Aim the suction end of the suction nozzle 12 at the WLO lens 13, and adsorb the WLO lens 13 and slide it through the guide rail assembly to the plurality of chips 5 arranged in parallel on the chip layout fixture 4, use the glue dispenser 6 to dispense glue on the chip 5, and press the WLO lens 13 onto the chip 5 to complete the attachment work, and then irradiate UV energy light to achieve a fixing effect, so as to improve the quality and efficiency of the manufacturing and attachment process of the WLO lens.

[0042] In the utility model, the WLO lens is surface treated in a constant temperature environment to eliminate scratches and stains on the lens surface.

[0043] Use high-precision optical instruments to measure the processed lens to obtain the precise size and optical performance parameters of the lens;

[0044] Lenses are customized based on measurement results to meet the needs of different projects

[0045] The customized lens is attached using high-precision attachment equipment to ensure the stability and accuracy of the lens.

[0046] In the utility model, a resin die bonding technology is adopted in the dispensing operation. The resin die bonding technology adopts a thick liquid adhesive which can form an insulating layer between the chip and the package body or become a good conductor of electricity and heat after being doped with some metals such as silver.

[0047] Resin bonding technology is divided into the following processes:

[0048] 1. First, use a needle-shaped dispenser or surface printing method to deposit a layer of resin adhesive on the patch area;

[0049] 2. The WLO lens is vacuum-sucked by a nozzle and placed on the patch area;

[0050] 3. Extrude the WLO lens so that the resin between the WLO lens and the patch area forms a flat film;

[0051] 4. Drying: When the temperature reaches a certain level, the resin adhesive is cured.

[0052] In the utility model, different chip layout jigs are designed for different chip sizes and projects. The chip is bonded to the jig surface by double-sided adhesive, which improves the stability and accuracy of the lens during the attachment process.

[0053] In summary, the utility model provides an endoscope module attaching device for a stacked WLO lens, which places the WLO lens on a rotating platform, adsorbs the WLO lens through a suction nozzle, slides it to a plurality of chips arranged in parallel on a chip layout fixture through a guide rail assembly, performs glue dispensing on the chip through a glue dispenser assembly, attaches the WLO lens to the chip, and then irradiates it with UV energy light through a UV lamp assembly, so as to improve the quality and efficiency of the manufacturing and attaching process of the WLO lens.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. An endoscope module attachment device for stacked WLO lenses, characterized in that: The invention comprises a workbench (1), a guide rail assembly, a rotating platform (3), a chip layout jig (4), a glue dispenser assembly, a UV lamp assembly, and a suction nozzle (12); the rotating platform (3) and the chip layout jig (4) are respectively placed on the workbench (1); a plurality of chips (5) are arranged in parallel on the chip layout jig (4); the glue dispenser assembly and the UV lamp assembly are respectively aligned with the plurality of chips (5); a WLO lens (13) is placed on the rotating platform (3); the guide rail assembly is arranged above the workbench (1); the suction nozzle (12) is slidably arranged on the guide rail; the suction port end of the suction nozzle (12) is aligned with the WLO lens (13), and the WLO lens (13) is adsorbed and slides through the guide rail assembly onto the plurality of chips (5) arranged in parallel on the chip layout jig (4).

2. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The positions of the rotating platform (3) and the chip layout jig (4) on the workbench (1) are arranged corresponding to the moving direction of the guide rail assembly.

3. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The glue dispenser assembly is arranged near the chip layout jig (4), wherein the glue dispenser assembly comprises a glue dispenser (6), a glue dispenser bracket (7) and a first power supply (8), wherein the first power supply (8) is arranged near the chip layout jig (4), a power line is arranged in the glue dispenser bracket (7), one end of the glue dispenser bracket (7) is connected to the first power supply (8) through the power line, and the other end is connected to the glue dispenser (6) through the power line, and the output end of the glue dispenser (6) is arranged to align with a plurality of chips (5) on the chip layout jig (4).

4. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The UV lamp assembly is arranged near the chip layout jig (4), wherein the UV lamp assembly comprises two groups of UV lamps (9), two groups of UV lamp brackets (10) and a second power supply (11); the second power supply (11) is arranged near the chip layout jig (4); the two groups of UV lamps (9) are respectively distributed on both sides of the chip layout jig (4); power lines are arranged in the two groups of UV lamp brackets (10); one end of the two groups of UV lamp brackets (10) is connected to the second power supply (11) through the power line, and the other end is respectively connected to the two groups of UV lamps (9) through the power line.

5. The endoscope module attachment device of the stacked WLO lens according to claim 4, characterized in that: The output ends of the two groups of UV lamps (9) are aligned with a plurality of chips (5) placed on a chip layout jig (4).

6. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The guide rail assembly comprises a guide rail (2) and two sets of lifting brackets (14), the two sets of lifting brackets (14) are respectively arranged on both sides of the workbench (1), the two ends of the guide rail (2) are respectively arranged on the two sets of lifting brackets (14) and are located above the workbench (1), and the suction nozzle (12) is slidably arranged on the guide rail (2).

7. The endoscope module attachment device of the stacked WLO lens according to claim 5, characterized in that: The lifting heights of the two sets of lifting brackets (14) are equal.

8. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The size of the suction mouth end of the suction nozzle (12) corresponds to the size of the WLO lens.

9. The endoscope module attachment device of the stacked WLO lens according to claim 1, characterized in that: The bottom of the chip (5) is provided with a plurality of solder balls (15), and the chip layout jig (4) is provided with a plurality of solder ball holes corresponding to the plurality of solder balls (15), and the plurality of solder balls are correspondingly embedded in the solder ball holes.

10. The endoscope module attachment device of stacked WLO lens according to claim 1, characterized in that: The working surface of the workbench (1) is arranged in a plane.

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