TWI611194B - Apparatus for inspecting loaded status of electronic components - Google Patents

Abstract

The present invention relates to an electronic component loading state detection device, including: at least one light irradiator for irradiating light to a plurality of electronic components mounted on a loading tray located at a detection position; and at least one camera for irradiating light through the light irradiator. A plurality of electronic components are photographed; the analyzer analyzes the shape of the light in the image obtained by the camera to detect the loading state of the electronic component, and when viewed from the front, connects the reflection point with the first straight line of the camera and connects the above An angle formed by the reflection point and the second straight line of the light irradiator is greater than 0 degrees and less than 180 degrees, and the reflection point is a position where the light irradiated to the plurality of electronic components through the at least one light irradiator contacts the plurality of electronic components. In addition, a technology for detecting a loading state of an electronic component using a changed form of the irradiated light is disclosed, and a processing speed is fast and the loading state of the electronic component is accurately confirmed.

Description

Electronic component loading state detecting device

The present invention relates to an electronic component loading state detection device for detecting whether an electronic component is properly loaded on a loading tray capable of loading electronic components.

Electronic components such as solid-state drives (SSDs) or memories need to be shipped from the high-quality products only after they have been attached to the labeling industry, enclosure work, and electrical characteristics test operations.

In order to perform the above operations, electronic components often need to be carried in a state of being loaded on a loading tray. Of course, a plurality of electronic components are usually loaded on a loading tray together.

However, if the loading state of the electronic components is poor, since the sampling robot is also poorly held, problems such as labeling or enclosing work may occur thereafter, and electrical contact with the tester may be defective, which may cause problems in the test operation.

Therefore, it is necessary to confirm whether the electronic components are properly loaded on the loading tray.

As a technique for confirming whether electronic components are properly loaded on a loading tray, refer to Korean Published Patent No. 10-2008-0013658 (hereinafter referred to as "Prior Art 1").

The prior art 1 discloses a technique for confirming whether a semiconductor device is mounted on a tray by emitting and receiving light. However, according to the technology disclosed in the prior art 1, although the presence or absence of an electronic component can be detected in the tray, it has a limitation in detecting the loading state. In addition, in order to apply the conventional technology 1, the electronic component must be mounted so as to have a relatively wide surface in a direction in which light is irradiated.

In addition, although Korean Published Patent No. 10-2011-0100403 (hereinafter referred to as "Prior Art 2") and the like disclose technologies for detecting using a camera, in the case of the prior art 2, the surface captured by the camera also needs to be relatively wide. . Furthermore, according to the technology disclosed in the prior art 2, when a plurality of lines constituting the structure of the loading tray are complicated, it is difficult to grasp the loading state of the loading tray in the image captured by the camera. The line of a part etc. requires a long analysis time. In addition, the use of expensive cameras and high-performance analyzers to capture clear images has resulted in increased production costs.

Therefore, when the electronic components are mounted on the loading tray in a vertical state, it is difficult to apply the related art 1 and the related art 2.

An object of the present invention is to provide a technique for detecting a loading state of an electronic component mounted in a vertical upright state using a pattern of light.

According to the first aspect of the present invention, the electronic component loading state detecting device The device includes: at least one light irradiator for irradiating the plurality of electronic components mounted on the loading tray with light having a detection pattern of a predetermined shape; and at least one camera for photographing the plurality of electronic components irradiated with light by the light irradiator An analyzer that analyzes the detection pattern in the image obtained by the at least one camera to detect the loading state of the electronic component, and when viewed from the front, a first straight line connecting the reflection point and the camera and connecting the reflection point and the light The angle formed by the second straight line of the illuminator is greater than 0 degrees and less than 180 degrees, and the reflection point is a position where the light irradiated to the plurality of electronic components through the at least one light irradiator is in contact with the plurality of electronic components.

The at least one light irradiator is disposed above one side of the reflection point, and the at least one camera is disposed above the other side of the reflection point.

The light irradiated by the light irradiator is a laser.

The present invention may further include a regulator that performs at least one function of adjusting a height of the light irradiator or an irradiation angle of the light irradiator.

The analyzer analyzes the loading state of the electronic component based on whether or not the plurality of reflection points generated in the plurality of electronic components in the images captured by the camera have a normal pattern.

The light irradiated by the light irradiator is linear light expressed linearly on a plane.

When viewed in a plane, the camera is installed so as to be separated from a loading area of a plurality of electronic components.

When viewed in a plane, the light irradiator is separated from a plurality of electronic components. Way of loading area.

The above cameras are web cameras.

An electronic component loading state detection device according to a second aspect of the present invention includes: a plurality of light irradiators that irradiate a plurality of electronic components mounted on a loading tray with light having a detection pattern of a predetermined shape; and at least one camera, A light irradiator to illuminate a plurality of electronic components for shooting; an analyzer analyzes a detection pattern in an image obtained by the at least one camera to detect a loading state of the electronic components, and is irradiated by the plurality of light irradiators The plurality of light has a spaced apart distance from each other within the width of the electronic component, so that the plurality of light irradiated by the plurality of light irradiators generates a plurality of reflection points on one electronic component.

The at least one light irradiator is disposed above one side of the reflection point, and the at least one camera is disposed above the other side of the reflection point.

The light irradiated by the light irradiator is a laser.

The present invention further includes a regulator that performs at least one of a function of adjusting a height of the light irradiator or an irradiation angle of the light irradiator.

The analyzer analyzes the loading state of the electronic component based on whether the reflection points of the plurality of electronic components have a normal pattern in the images captured by the camera.

The light irradiated by the light irradiator is linear light expressed linearly on a plane.

When viewed in a plane, the camera is installed so as to be separated from a loading area of a plurality of electronic components.

When viewed in a plane, the light irradiator is provided so as to be separated from a loading area of a plurality of electronic components.

The above cameras are web cameras.

According to the electronic component loading state detection device of the present invention, the arrangement status of the plurality of electronic components loaded on the loading tray can be analyzed by confirming the arrangement pattern of the plurality of reflection points where the irradiated light is in contact with the electronic component, and has the following effects.

First, after a plurality of electronic components to be loaded are loaded in a vertical state, the analysis time for analyzing the loading state of the plurality of electronic components is fast.

Second, since the positions of the plurality of reflection points can be accurately confirmed, the loading status of the plurality of electronic components can be accurately grasped.

Thirdly, since two linear lights are irradiated to each electronic component, the accuracy of detection is improved.

Fourth, the presence or absence of electronic components, incomplete loading, tilting in the front-back direction, and tilting in the left-right direction can be checked.

Fifth, because a low-cost inexpensive webcam and a low-performance analyzer can also fully grasp the loading state of electronic components in the captured image, it can save costs.

200‧‧‧testing device

210, 210a-210d,

211, 212‧‧‧light irradiator

220、220a-220d‧‧‧Camera

230‧‧‧ Analyzer

241‧‧‧Height adjustment section

242‧‧‧irradiation angle adjustment section

L ₁ ‧‧‧ the first straight line

L ₂ ‧‧‧ second straight line

PL‧‧‧ vertical line

RP, RP ', RP ₁ , RP ₂ ,

RP ₁ ', RP ₂ ' ‧‧‧ reflection point

ED 、 ED’‧‧‧Electronic components

LT‧‧‧Loading tray

Γ‧‧‧ corner

θ‧‧‧ the first angle

β‧‧‧ second angle

GS ₁ , GS ₂ ‧‧‧ holding slot

LR, LR ₁ , LR ₂ ‧‧‧ linear laser

SL‧‧‧Straight

W1‧‧‧Width

W2‧‧‧Pitch

LIR‧‧‧Setting table on the left

RIR‧‧‧Right Setting Table

FIG. 1 is a reference diagram illustrating a loading tray related to a detection device according to the present invention.

FIG. 2 shows the structure of a detection device according to the most basic structure of the present invention. Composition.

3 and 4 are reference views illustrating a linear laser beam irradiated by a light irradiator provided in the detection device of FIG. 2.

FIG. 5 is a reference diagram illustrating a function of detecting a defective loading of an electronic component in the detection device of FIG. 2.

6 to 11 are reference views illustrating a function of grasping a defective loading of an electronic component when a plurality of light irradiators are applied.

FIG. 12 is a block diagram showing a detection device according to a preferred embodiment of the present invention.

Hereinafter, the preferred embodiments of the present invention described above will be described with reference to the drawings, and repeated descriptions are omitted or compressed as much as possible for the sake of brevity.

Instructions for loading trays

FIG. 1 is a plan perspective view showing a loading tray LT related to an electronic component loading state detection device (hereinafter, simply referred to as a “detection device”) according to the present invention.

Sixteen electronic components ED (such as a solid state drive (SSD) or a memory) are mounted on the loading tray LT in an 8x2 array and a vertical position. The electronic component ED can be loaded on the loading tray LT in a state where both ends of the pair of holding grooves GS ₁ and GS ₂ facing each other are held. Therefore, the electronic component ED loaded on the loading tray LT can maintain the vertical state.

Explanation of the basic structure of the detection device

FIG. 2 illustrates an inspection of the most basic structure according to the present invention viewed from the front. 测 装置 200 (Solid line part).

The detection device 200 includes a light irradiator 210, a camera 220, and an analyzer 230.

As shown in the plan view shown in FIG. 3, the light irradiator 210 is used to irradiate a plurality of electronic components ED of the lower loading tray LT with a linear laser. Among them, it is preferable that the linear laser LR is represented by a continuous straight line as shown in part (a) of FIG. 4 on a plane having no unevenness or curvature. However, it can also be expressed as a continuous arc or a predetermined pattern, spot light, etc. as shown in parts (b) and (c) of FIG. 4. That is, as long as the linear laser LR is irradiated under a poor pattern condition where irregular irregularities other than the normal detection pattern set on a predetermined line can be found, any deformation can be performed. Moreover, if the condition that light can be expressed linearly on a plane can be satisfied, other light than laser can also be used.

The camera 220 captures a plurality of electronic components ED on the loading tray LT. The image captured by the camera 220 represents a reflection point RP in which the linear laser LR shown in FIGS. 1 and 3 is in contact with the electronic component ED and is reflected.

The analyzer 230 analyzes the laser morphology in the image obtained by the camera 220 to detect the loading state of the electronic component ED. To explain in more detail, the analyzer 230 analyzes the pattern of the plurality of reflection points RP which are reflected by the linear laser LR irradiated to the plurality of electronic components ED through the light irradiator 210 and the plurality of electronic components ED and reflected, and detects the electronic component. Loading status of ED.

On the other hand, when viewed from the front, the camera 220 is arranged so that the first straight line L ₁ and the vertical line PL connecting the reflection point RP and the camera 220 form a first angle θ less than 0 degrees and greater than -90 degrees. When viewed from the front, the light irradiator 210 is arranged so that the second straight line L ₂ and the vertical line PL connecting the reflection point RP and the light irradiator 210 form a second angle β greater than 0 degrees and less than 90 degrees. The first straight line L ₁ is an imaging line of the camera 220, and the second straight line L ₂ is an irradiation line of the linear laser LR that is irradiated to the loading tray LT through the light irradiator 210. Therefore, the angle Γ (Γ = θ + β) formed by the first straight line L ₁ and the second straight line L _{2 is} larger than 0 degrees and smaller than 180 degrees. The reason for having such an arrangement is to clearly confirm that the arrangement of the plurality of reflection points RP in an irregular pattern due to the height difference of the plurality of reflection points RP will be described later. Therefore, it is preferable that the first straight line L ₁ and the second straight line L ₂ form an angle Γ as large as possible in order to maximize the difference in displacement between the plurality of reflection points RP. Therefore, the second straight line L ₂ and the vertical line PL may constitute an angle in the range of more than 0 degrees and less than 90 degrees, but in order to clearly observe the plurality of reflection points RP when the loading state of the plurality of electronic components ED is normal and when they are defective. The difference in displacement is, and the closer the angle formed by the second straight line L ₂ and the vertical line PL is to 90 degrees, the better. Moreover, corresponding to this, the incident angle and reflection angle of light are the same, so that the camera 220 can clearly indicate the reflection point RP at a position having a reflection angle corresponding to the angle of incidence, so the angle between the first straight line L ₁ and the vertical line becomes The closer to -90 degrees, the better. However, as a result of comprehensive consideration of design constraints and light scattering in a small space and confirmation through multiple experiments, it was found that the closer the angle Γ achieved by the first straight line L ₁ and the second straight line L _{2 is} to 90 degrees, the detection function The more appropriate.

Therefore, preferably, if the camera 220 is located on one side of the reflection point RP Above (upper left side in FIG. 2), the light irradiator 210 is located above the other side of the reflection point RP (upper right side in FIG. 2).

As the second straight line L ₂ and the vertical line PL constitute a second angle β, when a laser is irradiated to the loading tray LT on which the electronic components ED are mounted, a plurality of reflection points RP captured by the camera 220 are shown in FIG. 3. The dotted line shown in FIG. 3 means a linear laser LR that is assumed to be a flat surface regardless of the complicated structure of the loading tray LT located under the plurality of reflection points RP.

However, as shown in the front view of part (a) of FIG. 5, when any one of the electronic components ED ′ protrudes upward, the linear laser LR has priority over the electronic component ED protruding more than the upper end of the other plurality of electronic components ED. 'The upper ends meet. Therefore, the reflection point RP 'generated by the protruding electronic component ED' is located higher than the plurality of reflection points RP generated by other electronic components ED. In this case, since the first straight line L ₁ and the second straight line L ₂ form an angle greater than 0 degrees, as shown in part (b) of FIG. 5, a plurality of reflection points RP, The alignment of RP 'is wrong. That is, the reflection point RP ′ generated by the protruding electronic component ED ′ may be separated from the straight line SL connecting the plurality of reflection points RP generated by the other plurality of electronic components ED. As a result, the analyzer 230 analyzes the patterns of the plurality of reflection points RP, RP 'in the image captured by the camera 220 to confirm that one reflection point RP' deviates from the straight line SL and determines whether the protruding electronic component ED 'has a loading state. error.

As described above, because the plurality of reflection points RP, RP 'height difference need to clearly manifested in the camera image 220, and _the absolute value of L and the vertical line PL constituting a first angle θ greater the more preferred first linear. Of course, the larger the absolute value of the second angle β formed by the second straight line L ₂ and the vertical line PL, the larger the difference in height between the plurality of reflection points RP, RP ′. However, the smaller the second angle β formed by the second straight line L ₂ and the vertical line PL, the narrower and clearer the plurality of reflection points RP, RP ′. Therefore, the second angle β formed by the second straight line L ₂ and the vertical line PL needs to consider appropriate clarity and the height difference of the plurality of reflection points RP and RP ′ together.

For reference, the camera 220 shown in FIG. 2 is located on the left side, and the light irradiator 210 is located on the right side. The camera 220 and the light irradiator 210 may be provided on opposite sides based on the vertical line PL as described above. In addition, the camera 220 and the light irradiator 210 are arranged as shown in FIG. 2, and the measurement can be performed more clearly and accurately than when the electronic component ED is mounted on the loading tray with the wide surface of the electronic component ED facing the front-back direction.

According to the present invention as described above, the analyzer 230 only needs to be able to confirm the reflection point RP. Therefore, it is sufficient to apply the low-cost and low-cost network camera as the camera 220. Generally, a recently appeared mobile phone is suitable for a 15 megapixel camera, but a web camera suitable for the present invention is 2 megapixels, and the diameter of the lens may be 1 mm to 3 mm. For example, the network camera is about 30,000 yuan, which is cheaper than the industrial camera above 100,000 yuan, and it is very thin and small, and can be used in notebook computers, cheap mobile phones, and endoscopes. space. Therefore, it can be a very small compact camera, so the installation is good and the freedom of design is improved. Of course, the analyzer 230 may be provided with low performance to the extent that it can properly detect the loading state of the electronic component ED.

So far, the detection of electrons by a light irradiator 210 has been described. The loading status of the component ED. However, as shown in FIG. 6 which is exaggerated, the reflection point RP 'of the specific electronic component ED' can be mounted so that its height is the same as the height of the reflection point RP of the other electronic component ED and is distorted. Then, the analyzer 230 in FIG. 3 cannot grasp the error. As shown in FIG. 7, two light irradiators 211 and 212 are applied to solve this problem.

As shown in FIG. 7, two reflection points RP ₁ and RP _{2 are} generated on one electronic component ED by the two light irradiators 211 and 212. That is, as shown in FIG. 8, the two linear lasers LR ₁ and LR ₂ are irradiated with a distance w 2 spaced apart from each other within the width w _{1 of} the electronic component ED by the two light irradiators 211 and 212. According to this example, when there is a loading failure in the state shown in FIG. 6, the plurality of reflection points RP shown in parts (a) and (b) of FIG. 9 in the image captured by the camera 220 _1. The two patterns of RP ₂ are defective, so the analyzer 230 can confirm that there is an error in the loading state of the electronic component ED. It can be seen that RP ₁ and RP ₂ are examples of bad patterns. Further, as shown exaggerated in FIG. 10 (a) portion to one side (left side in FIG. 10) of the reflection point RP _1, RP good performance in the presence of Embodiment ₁ 'is loaded in the case of failure, as shown in FIG. 10 ( As shown in part b), the 1 pattern on one side cannot distinguish between normal time and bad time depending on the situation. In spite of this, the 2 pattern on the other side (the right side in FIG. 10) appears to be defective, so the analyzer 230 can determine that the electronic component ED is defective in any case. In addition, in a state where the electronic component is mounted as shown in FIG. 10, it can be confirmed from the irradiation position of the light irradiator that both patterns are defective. This is compensated by moving the laser irradiation position to the left or right according to the intention of the inspector.

Of course, it is preferable that three or more light irradiators 210 may be provided by various variables such as a change in the shape of the upper end of the electronic component ED.

For reference, as shown in part (a) of FIG. 11, when the specific electronic component ED ′ is tilted in the front-rear direction, the analyzer 230 confirms that a plurality of reflection points RP, RP ′ are in the image captured by the camera 220. The distance between them or the mutual comparison confirms the difference from the normal pattern, the shape of the line, etc., and it can be confirmed that the electronic component ED ′ is defectively loaded.

Examples

As shown in FIG. 12, the detection device 200 (solid line portion) according to the present embodiment includes four light irradiators 210a to 210d, four cameras 220a to 220d, an analyzer 230, and two regulators.

The four light irradiators 210a to 210d are used to irradiate a linear laser on the electronic component ED of the loading tray LT located below. Wherein, the loading tray LT is loaded by sixteen electronic components in a form of 8 × 2 rows and columns and in a vertical state as in the embodiment of FIG. 1.

Among the four light irradiators 210a to 210d, the two right light irradiators 210a and 210b are used to irradiate a plurality of electronic components ED in the left column with laser light, and the two left light irradiators 210c and 210d are used to irradiate a plurality of right column. The electronic component ED irradiates a laser. In this way, the light irradiators 210a and 210b on the right side irradiate lasers to the plurality of electronic components ED in the left column, instead of the right column, and the light irradiators 210c and 210d on the left radiate laser to the electronic components ED in the right column. This is to maximize the displacement of the plurality of reflection points of the laser reflection by using only a smaller space inside a narrow device.

Four cameras 220a to 220d have a LIR on the left and a LIR on the right Set up two RIRs. Of the four cameras 220a to 220d, the two left cameras 220a and 220b are used to capture the plurality of electronic components ED in the left column, and the two right cameras 220c and 220d are used to capture the plurality of electronic components ED in the right column. Among them, each of the cameras 220a to 220d captures four electronic components ED. Of course, depending on the implementation, if a camera with a large shooting angle capable of shooting all eight electronic components ED is used, one camera may be provided on each of the left and right sides.

Furthermore, in the present embodiment, a plurality of electronic components ED are mounted on the loading tray LT in two rows. When using a loading tray loaded with electronic components in one row, the number of light irradiators or cameras is reduced compared to the past.

The analyzer 230 analyzes the laser morphology in the images obtained by the cameras 220a to 220d to detect the loading state of the electronic component ED.

The adjuster 240 may be dedicated to a plurality of electronic components ED having different height specifications by adjusting the height of the light irradiators 210a to 210d, and may be dedicated to a plurality of electronic components ED having different widths by adjusting the irradiation angles of the light irradiators 210a to 210d. . Such an adjuster 240 can be provided so as to be divided into a height adjustment section 241 for adjusting the height of the light irradiators 210a to 210d and an irradiation angle adjustment section 242 for adjusting the irradiation angle of the light irradiators 210a to 210d. Of course, the adjuster can adjust the height or irradiation angle of the light irradiator manually or automatically. In addition, the adjuster 240 can include one of a height adjustment portion 241 and an irradiation angle adjustment portion 242. Furthermore, according to the embodiment, a plurality of light irradiators having mutually different heights or irradiation angles are provided together, and an example in which the corresponding light irradiators can be selectively activated depending on the vertical length or width of the semiconductor device can be implemented.

According to this embodiment, it is possible to quickly and accurately detect the loading state of all sixteen electronic components ED loaded on the loading tray LT in an 8 × 2 row and column manner.

On the other hand, the position to be detected by the detection device 200 according to the present invention may be the same as the position at which the electronic component ED is loaded into or unloaded from the loading tray LT depending on the equipment. In this case, since the sampling robot needs to perform a loading or unloading operation above the loading tray LT, the sampling robot and the light irradiator 210 or the camera 220 of the detection device 200 cannot be interfered with. Therefore, in order to prevent the interference of other structures such as the sampling robot, it is preferable that the time light illuminator 210 and the camera 220 are disposed so as to be separated from the loading area of the plurality of electronic components ED when viewed from a plane. These are reflected in the embodiment of FIG. 12. That is, referring to FIG. 12, the distance between the cameras 220a and 220b on the left and the cameras 220c and 220d on the right is longer than the width in the left-right direction of the loading tray LT. The light illuminators 210a to 210d are disposed on the rear wall and viewed from a plane. It can be confirmed that the plurality of cameras 220a to 220d and the plurality of light irradiators 210a to 210d are provided so as to be separated from the area where the electronic component ED is mounted.

In addition, since the camera 220 is separated from the area on which the electronic component ED is mounted, a wider viewing angle of the camera 220 allows one camera 220 to detect a larger number of multiple electronic components ED.

The detection device according to the present invention as described above can be suitably applied to any device for loading a pallet on which electronic components need to be loaded in a vertical upright state. That is, for example, the detection device according to the present invention can be suitably applied to, for example, a solid state drive (SSD) or a memory loaded on a loading tray in a vertical state. Equipment such as plate-shaped electronic components that perform labeling, cladding, and testing operations.

As described above, the present invention has been specifically described with reference to the embodiments of the drawings. However, the above embodiments are only used to illustrate the preferred embodiments of the present invention. Therefore, the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention should be understood based on the scope of patent application and its equivalent concepts described later.

200‧‧‧testing device

210‧‧‧light irradiator

220‧‧‧Camera

230‧‧‧ Analyzer

L ₁ ‧‧‧ the first straight line

L ₂ ‧‧‧ second straight line

PL‧‧‧ vertical line

RP‧‧‧Reflection point

ED‧‧‧Electronic components

LT‧‧‧Loading tray

Γ‧‧‧ corner

θ‧‧‧ the first angle

β‧‧‧ second angle

Claims (9)

An electronic component loading state detection device includes: at least one light irradiator for irradiating a plurality of electronic components mounted on a loading tray with light having a detection pattern of a predetermined form; and at least one camera for irradiating light through the light irradiator. A plurality of electronic components are photographed; an analyzer analyzes a detection pattern in an image obtained by the at least one camera to detect a loading state of the electronic components; when viewed from the front, a reflection line is connected to a first line and a connection of the camera An angle formed by the reflection point and a second straight line of the light irradiator is greater than 0 degrees and less than 180 degrees, and the reflection point is that the light irradiated to the plurality of electronic components through the at least one light irradiator is connected to the plurality of electronic components. s position. The electronic component loading state detecting device according to claim 1, wherein the at least one light irradiator is disposed above one side of the reflection point; and the at least one camera is disposed above the other side of the reflection point. An electronic component loading state detection device includes: a plurality of light irradiators that irradiate a plurality of electronic components mounted on a loading tray with light having a detection pattern of a predetermined form; and at least one camera that irradiates light through the light irradiators. A plurality of electronic components are photographed; an analyzer analyzes a detection pattern in an image obtained by the at least one camera to detect a loading state of the electronic components; The plurality of lights irradiated by the plurality of light irradiators have a distance from each other within the width of the electronic component, so that the plurality of lights irradiated by the plurality of light irradiators generate a plurality of reflection points on one electronic component. The electronic component loading state detection device according to claim 1 or 3, wherein the light irradiated by the light irradiator is a laser. The electronic component loading state detection device according to claim 1 or 3, further comprising a regulator that performs at least one of adjusting a height of the light irradiator or adjusting an irradiation angle of the light irradiator. The electronic component loading state detecting device according to claim 1 or 3, wherein the analyzer analyzes the electrons based on whether or not the plurality of reflection points generated in the plurality of electronic components in the images captured by the at least one camera have a normal pattern. The loading status of the part. The electronic component loading state detection device according to claim 1 or 3, wherein the light irradiated by the light irradiator is linear light expressed linearly on a plane. The electronic component loading state detection device according to claim 1 or 3, wherein the camera is provided so as to be separated from a loading area of a plurality of electronic components when viewed from a top view. The electronic component loading state detection device according to claim 1 or 3, wherein the light irradiator is provided so as to be separated from a loading area of a plurality of electronic components when viewed in a plan view.