JPH01200213A - Auxiliary tool for microscope having oblique observation function - Google Patents

Abstract

PURPOSE:To improve the workability and convenience for use by juxtaposing a vertical observation part and an oblique observation part in a main body and slidably connecting the main body to a microscope by a connection part on the main body. CONSTITUTION:A main body 18 is connected to the lower part of the microscope by a screw part 24n of a connection part 24; and in case of oblique observation, on oblique observation part 22 is placed just under the connection part 24 and is fixed, and an object 16 to be observed is obliquely observed through the eyepiece lens and the objective lens of the microscope and convex and concave lenses (b) and (a) and mirror surfaces 32 and 34 of an auxiliary tool 14. At this time, the angle of inclination for observation of the oblique observation part 22 is adjusted to a desired state by an adjusting screw 38. In case of vertical observation, the main body 18 under the connection part 24 is slided left and is fixed, and a vertical observation part 20 is placed just under the connection part 24. Thus, a distance S between the auxiliary tool 14 and the object 16 is extended to improve the workability of replacement of the object 16 or the like and the convenience for use.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an auxiliary tool for a microscope having an oblique observation function, and in particular, it enables adjustment of the observation inclination angle by the oblique observation section of the auxiliary tool, and The present invention relates to a microscope auxiliary tool having an oblique observation function that increases the distance between objects to be observed, improves workability, and improves usability.

[Conventional technology]

In recent years, the development of chip components, small electronic components, ICs (integrated circuits), and LSIs (large-scale integrated circuits) has led to the advancement of micro and macro components, and microscopes have been developed to observe the soldering and mounting conditions of these components. There is. And this UB
When using a k-mirror for observation, various tasks, and photography, clearer image quality with high resolution and depth of focus is required, and a microscope with good operability and economic efficiency is also desired. There is.

[Problem that the invention seeks to solve]

By the way, in a conventional microscope auxiliary tool, it is connected between the objective lens of the microscope and the object to be observed, that is, at the lower end of the microscope, and is used to observe the object to be observed, such as a small electronic component or LSI, from diagonally above. Some devices have an observation section and a vertical observation section that slides to observe an object to be observed from vertically above using an eyepiece and an objective lens of the microscope.

However, in the said auxiliary tool, a lens is provided only in the oblique observation section, and no lens is used in the vertical observation section. Furthermore, the mirror surface of the oblique observation section was fixed, making it impossible to adjust the observation inclination angle using the oblique observation section.

As a result, the distance between the auxiliary tool and the object to be observed is constant, which makes it difficult to replace the auxiliary tool or the object to be observed, which is disadvantageous in practice.

In addition, the small depth of focus caused by the oblique observation section of the auxiliary tool makes it difficult to focus on the object to be observed, making observation operations cumbersome. This has the disadvantage of being difficult to use.

[Purpose of the invention]

SUMMARY OF THE INVENTION In order to eliminate the above-mentioned disadvantages, an object of the present invention is to provide a box-shaped main body with a vertical observation section and an oblique observation section each having a plurality of lenses. In addition to providing a connecting portion to be connected to the connecting portion, the main body is provided to be slidable by this connecting portion, and an inclination angle adjustment portion is provided at the bottom of the main body to allow adjustment of the observation inclination angle by the oblique observation portion. The 'arm mirror auxiliary aid has an oblique observation function that enables adjustment of the observation inclination angle, increases the distance between the aid and the object to be observed, improves workability, and improves usability. There are ingredients.

[Means for solving problems]

In order to achieve this object, the present invention provides an auxiliary tool interposed between the objective lens of a microscope and an object to be observed, in which the main body of the auxiliary tool is formed into a box shape, and a plurality of A vertical observation section and an oblique observation section each having a lens are arranged side by side, and this main body is mounted on the upper part of the main body as described in 8. A connecting part to be connected to the RI microscope is provided, and the main body is slidably movable by this connecting part, and a tilt angle adjustment part is provided at the bottom of the main body to adjust the observation tilt angle by the oblique observation part. Features.

[Effect]

With the above configuration, when obliquely observing an object using the oblique observation section of the auxiliary tool, the observation inclination angle can be adjusted using the inclination angle adjustment section, and the distance between the auxiliary tool and the object can be adjusted. It can be made larger and has better workability.
Improves usability.

〔Example〕

Embodiments of the present invention will be described in detail below based on the drawings.

1 to 7 show embodiments of this invention. 1st
In the figure, 2 is a microscope, 4 is a support stand, 6 is a support rod, and 8
is a support arm, lO is a weight, and 12 is a lighting fixture. A support rod 6 is erected on the support stand 4, and a central portion of a support arm 8 is fixed to the support rod 6 in a height-adjustable manner. The microscope 2 is fixed to one end of the support arm 8, and the weight 10 is fixed to the other end to maintain balance.

Further, an auxiliary tool 14 is connected to the lower part of the microscope 2, and the microscope 2 is configured to perform vertical and oblique observation of an object 16 to be observed consisting of small electronic components, ICs, LSIs, etc. placed below.

To explain the auxiliary tool 14 in detail, as shown in FIGS. 2 to 6, the main body 18 of the auxiliary tool 14 is formed in the shape of a rectangular parallelepiped box.
The main body 18 is bottomless and lidless, and a vertical observation section 20 and an oblique observation section 22 are arranged side by side within the main body 18.

At this time, the vertical observation unit 20 is connected from above to a convex lens, a concave lens b,
It is formed by combining two pieces in the order of a, and the oblique observation part 2
2 are formed by combining three concave, convex, and concave lenses a, b, and a from above in this order.

Further, a connecting part 24 is provided at the upper part of the main body 18, and a threaded part 24n of the connecting part 24 connects the main body to the lower part of the microscope 2.
8 are connected to each other, and the main body 18 is provided so as to be slidable by the connecting portion 24.

That is, as shown in FIG.
A dovetail-shaped protrusion 26 is provided for movement in the longitudinal direction of the main body 18, and a dovetail groove 28 is provided in the upper part of the main body 18 to engage the protrusion 26, so that the main body 18 can be slidably moved.

Furthermore, a tilt angle adjustment section 30 is provided at the bottom of the main body 18, which allows adjustment of the observation tilt angle by the oblique observation section 22. This inclination angle adjustment section 30 is
As shown in the figure, the first mirror surface 3 is oriented diagonally upward.
2, and a second mirror surface 34 facing the first mirror surface 32 and having a lower end rotatably supported and oriented obliquely downward.
a spring 36 that urges the upper end of the second mirror surface 34 to rotate inward toward the first mirror surface 32;
It has an adjustment screw 38 for adjusting the inclination angle of.

That is, the inclination angle of the second mirror surface 34 of the inclination angle adjustment section 30 is adjusted by the adjustment screw 38, and the vertical observation section 20
The focal positions P of the oblique observation unit 22 and the oblique observation unit 22 are made the same.

Reference numeral 40 indicates a first fixing screw that fixes the main body 18 at a desired position when the main body 18 is rotated relative to the connecting portion 24, and 42 indicates a protrusion 26 provided at the bottom of the connecting portion 24.
This is a second fixing screw for sliding movement that fixes the main body 18 at a desired sliding movement position by means of a dovetail groove 28.

Next, the effect will be explained.

When performing oblique observation using the oblique observation section 22 of the auxiliary tool 14, as shown in FIG. The eyepiece, the objective lens, and the concave, convex, and concave lenses a, b, and a of the auxiliary tool 14 are arranged in this order to perform oblique observation of the object 16 as shown in FIG.

Furthermore, when performing vertical observation using the vertical observation section 20, as shown in FIG. in the longitudinal direction, leftward direction in FIG.
Fix it again by 2. Then, the eyepiece lens (not shown) of the microscope 2, the objective lens, and the convex and concave lenses b and a of the auxiliary tool 14 are arranged in this order, and the object to be observed 16 is vertically observed.

As a result, the distance MS between the auxiliary tool 14 and the object to be observed 16
This makes it easier to replace the auxiliary tool 14 and the object to be observed 16 made of small electronic parts, ICs, LSIs, etc., thereby improving usability.

Further, the observation inclination angle of the oblique observation section 22 is adjusted by the adjusting screw 3.
8, the oblique observation unit 22 allows small electronic components, ICs, and LSIs to be adjusted to the desired state.
The object 16 to be observed can be easily obliquely observed, and the soldering state and mounting state of the object 16 to be observed can be efficiently observed from obliquely above, which is advantageous in practice.

Furthermore, since the depth of focus of the oblique observation section 16 of the auxiliary tool 14 can be increased, the object to be observed can be easily focused and the observation operation can be performed quickly.

Note that the present invention is not limited to the above-described embodiments, and various modifications can be made.

For example, in the embodiment of the present invention, a vertical observation section and an oblique observation section are arranged in parallel within the box-shaped main body of the auxiliary tool, and the vertical observation section is formed by combining two convex lenses and a concave lens in that order from above. In addition, although the oblique observation section is formed by combining three concave, convex, and concave lenses in this order from above, it is also possible to change the number of concave and convex lenses in combination when forming the vertical observation section and the oblique observation section. By changing the number of concave and convex lenses in combination, the depth of focus of each observation section can be changed, and the distance from the auxiliary tool to the object to be observed can be changed. - [Effects of the Invention] As described in detail above, according to the present invention, a vertical observation section and an oblique observation section each having a plurality of lenses are arranged side by side in a box-shaped main body, and the main body-F section is In addition to providing a connection part for connecting this main body to a microscope, the main body is provided to be slidable by this connection part, and a tilt angle adjustment part is provided at the bottom of the main body to enable adjustment of the observation tilt angle by an oblique observation part. , iP of the observation inclination angle by the oblique observation unit
I adjustment is possible, the distance between the auxiliary tool and the object to be observed can be increased, workability is improved, and usability can be improved.

[Brief explanation of the drawing]

1 to 7 show embodiments of the present invention, FIG. 1 is a schematic diagram of how the auxiliary tool is attached to the stereomicroscope, FIG. 2 is a front view of the auxiliary tool, and FIG. 3 is a bottom view of the auxiliary tool. , FIG. 4 is a right side view of the auxiliary tool, FIG. 5 is a schematic enlarged sectional view showing the oblique observation state using the auxiliary tool, FIG. 6 is a schematic enlarged sectional view showing the vertical observation state using the auxiliary tool, and FIG. 7 is a schematic enlarged sectional view showing the vertical observation state using the auxiliary tool. FIG. 7 is an enlarged cross-sectional view of a main part showing a state in which a mirror surface is tilted by a tilt angle adjusting section of the auxiliary tool. In the figure, 2 is a microscope, 4 is a support stand, 6 is a support rod,
8 is a support arm, IO is a weight, 12 is a lighting device, 14 is an auxiliary tool, 16 is an object to be observed, 18 is a main body, 20 is a vertical observation section, 22 is an oblique observation section, 24 is a connection section, and 24n is a screw 26 is a protrusion, 28 is a dovetail groove, 30 is an inclination angle adjustment part,
32 is a first mirror surface, 34 is a second mirror surface, 36 is a spring,
38 is an adjustment screw, 40 is a first fixing screw, 42 is a second fixing screw for sliding movement, a is a concave lens, and b is a convex lens.

Claims (1)

[Claims] 1. In an auxiliary tool interposed between the objective lens of a microscope and an object to be observed, the main body of the auxiliary tool is formed into a box shape, and the main body has a vertical observation section and an oblique observation section with multiple lenses. A connection part for connecting the main body to the microscope is provided at the upper part of the main body, and the main body is slidably movable by this connection part, and an observation tilt by the oblique observation part is provided at the lower part of the main body. A microscope auxiliary tool having an oblique observation function, characterized by being provided with an angle-adjustable tilt angle adjustment section.