JP2588164Y2 - Package with castellation - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a package with castellations, and more particularly, to a package with castellations that can secure a sealing area and reduce the occurrence of burrs during a break . Regarding the package.

[0002]

Conventionally, packages <br/> cage with castellations having a plurality of individual products which can be separated via a snap line, in the middle of the package, the package uppermost stop the castellations, the The castellation is not provided. That is, for example,
The case of the three-layer ceramic package with castellation shown in FIG. 6 will be described. Have been.

According to the ceramic package with castellations, there is an advantage that the size of the ceramic package can be reduced and a sealed area can be secured.

[0004]

An invention to be Solved] However, if the package <br/> cage described above, when a break occurs, to act offset load to the package layer having no castellations,
There is a problem that "burrs" (ceramic protrusions) d are generated and the variation in package size is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object a castellation which can secure a sealing area and reduce the occurrence of burrs at the time of a break. To provide an attached package.

[0006]

A package with castellations according to the present invention as means for achieving the above object comprises a plurality of products which can be separated through snap lines provided with castellations. a sheet-like multi-layer package with itself, the castellations provided on the snap lines to penetrate from the package layer to the package top, of the castellations
Castellations package uppermost layer has a length hole in the snap line direction, also of the package top layer
Intersects the direction of snap holes of castellated slots
And the casterley under the package
Hole diameter in the direction crossing the snap line direction of the hole
It is characterized in that x has a relationship of pore diameter z <pore diameter x . Further, the package with castellations of the present invention is the package of
The long hole of the taration is an oblong hole, and the package lower layer e
Of the castellation is a small hole,
And the snap line direction of the small hole.
The hole diameter x in the direction may be in the relationship of hole diameter y ≧ pore diameter x.
Features.

[0007]

[Function] The package with castellation of the present invention is
Since the castellations penetrate from the package lower layer to the package upper layer, the action on the castellations when the package is broken is uniformly applied, so that the occurrence of "burrs" can be reduced. The castellations at the package top on <br/> layer snap line direction
The long slots make it possible to reduce the number of breaks in the upper layer of the package , and the key in the uppermost layer of the package.
Cross the direction of the long hole of the castellation
And the castellation of the package lower layer
Hole diameter x in the direction crossing the snap line direction of the hole
Is the relationship of pore size z <pore size x, that is, the pore size z is
Since the diameter is smaller, it acts to secure a sealing area.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. Here, FIG. 1 to FIG.
FIG. 1 is a perspective view, FIG. 2 is a disassembled perspective view of FIG. 1, FIG. 3A is a partially enlarged view of a castellation shape of a package upper layer, and FIG. FIG. 4 is a partially enlarged view of the castellation shape of the middle and lower layers of the package, FIG. 4 is a partially enlarged view showing a burr state, and FIG. 5 is a plan view of the ceramic sheet body.

The package with castellation of the present embodiment
Is a ceramic package with castellation.
In summary, as shown in FIG. 5, the ceramic sheet 1 is provided with a plurality of package units 3, 3,... Which can be separated via snap lines 2, 2,. Are provided with castellations 4, 4,...

The ceramic sheet body 1 is formed by laminating insulator layers made of ceramic green sheets (three layers of a package upper layer a, a package middle layer b, and a package lower layer c).
This is formed by firing. Then, the ceramic sheet body 1 includes a package upper layer a, a package middle layer b,
Castellations 4 and 4 penetrating through package lower layer c
Are provided so that breaks can be made to a plurality of package units 3, 3,.

The castellations 4, 4... Are through holes for breaking into the package units 3, 3..., And the castellations 4 b, 4 c of the package middle layer b and the package lower layer c The castellations 4a of the small holes and of the package upper layer a are elliptical holes in which the major axis y is located in the snap line direction. The major axis y of the elliptical hole has castellations 4b, 4b.
The long axis of the castellations 4b and 4c is shorter than the hole diameter x of the castellations 4b and 4c. You
That is, in this embodiment, the relation of the long axis y> the hole diameter x> the short axis z is used.
Consist of staff.

Here, the casterley of the package middle layer b
The package 4b and the package lower layer 4c are shown in FIG.
Thus, the hole diameter x is a small hole of about 0.4 mm,
The castellation 4a of the package upper layer a is
The major axis y is about 0.4 mm and the minor axis z is about 0.2 mm. That is, the castellations 4a,
4b and 4c penetrate and have a long oval shape of the castellation 4a.
The length (long axis) y of the circular hole in the snap line direction and the cap
Snap line direction of the small holes of the stellations 4b and 4c
The length x is about 0.4 mm and the castellation 4a
Hole in the direction intersecting the snap line direction of the oblong hole
Small holes with diameters (short axis) z of castellations 4b and 4c
From the hole diameter x in the direction crossing the snap line direction,
It is in the form of 0.2 mm shorter.

In the ceramic package with castellations of the present embodiment, when the ceramic sheet body 1 breaks into the package units 3, 3,..., The snap lines 2 provided with the castellations 4, 4,. When the breaks occur along 2..., The castellations 4, 4.
4b, 4c, the force acts uniformly on the castellations 4, 4,..., And the occurrence of "burrs" at the time of a break can be reduced.
Is a long elliptical hole whose major axis y is located in the snap line 2 direction, so that when a break occurs, the break direction is guided in the snap line 2 direction on the package upper layer, and the occurrence of "burrs" can be further reduced. In addition, since the short axis is smaller than the hole diameter x of the castellations 4b and 4c, it works to ensure a sufficient "seal path".

Therefore, in order to confirm the effects of the present embodiment, the conventional ceramic package with castellation (structure in which the castellation is stopped in the upper layer of the package) shown in FIG. 6 and the ceramic package with castellation of this embodiment are shown in FIG. The following results were obtained by comparing the "burr amount" (distance obtained by subtracting the snap line pitch of the ceramic sheet body from the external dimensions of the package itself obtained by the break) when breaking into the package alone. I got

That is, in the case of the ceramic package with castellation of the present embodiment, the "burr amount" is 1/3 or less of that of the conventional ceramic package with castellation. It was confirmed that the dimensional accuracy could be improved. This is the castellation in the package upper layer,
For castellation in the lower layer of the package,
By reducing the diameter, the bending load is uniformly applied to the castellation, and the castellation in the upper layer of the package is formed as an elliptical hole having a major axis located in the snap line direction, thereby causing a break. Is considered to be able to be induced.

It should be noted that the present invention is not limited to the above-described embodiment, but includes a configuration that can be modified and implemented without changing the gist of the present invention. In the embodiment described above,
And same diameter castellations in packages lower, only castellations in the package top layer has been described in the configuration in which the oblong hole, the castellations of the package intermediate the holes of the intermediate shape of the package upper and the package lower It may be formed. Also,
In the above-described embodiment, the case of a three-layer ceramic package has been described. However, the same effects can be obtained by applying the present invention to a ceramic package having four or more layers.

[0017]

[Effect of the Invention] As is clear from the above description, according to the package with castellation of the present invention, the package
Of the castellations penetrating from the upper layer to the lower layer
The castellation of the top layer of the package is formed by long holes in the snap line direction, and the keyhole of the top layer of the package is formed.
Cross the direction of the long hole of the castellation
Direction of the castellation of the lower layer of the package.
From the hole diameter in the direction that intersects the snap line direction of the
Since the diameter is small, it can be precisely
Can be broken, and the occurrence of burrs during the break can be reduced
In addition, the effect that a sufficient area can be secured for the sealing area
Having. Therefore, according to the present invention, the sealing area
With good external dimensional accuracy and little variation
Can obtain multiple products (packages)
It has the effect of cutting.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention.

FIG. 2 is a perspective view of the disassembled state of FIG.

FIG. 3A is a partially enlarged view of the castellation shape of the upper layer of the package, and FIG. 3B is a partially enlarged view of the castellation shape of the middle and lower layers of the package.

FIG. 4 is a partially enlarged view showing a state of a burr.

FIG. 5 is a plan view of a ceramic sheet body.

6A shows a conventional example, FIG. 6A is a perspective view, and FIG.
FIG. 6B is a perspective view of the disassembled state, and FIG. 6C is a partially enlarged view showing a burr state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Ceramic sheet body, 2 ... Snap line, 3 ... Package alone, 4 ... Castellation, 4a ... Castellation of package upper layer, 4b ... Castellation of package middle layer,
4c: Castellation of package lower layer, a
..Package upper layer, b ... Package middle layer, c ..
・ Package lower layer, d ・ ・ ・ Burr

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H01L 23 / 02,23 / 12

Claims (2)

(57) [Scope of request for utility model registration] 1. A sheet-like multi-layer package having a plurality of individual products which can be separated via a snap line equipped with castellations, passed through the castellations provided on the snap lines from the package layer to the package layer Of the castellations
Castellations package uppermost layer has a length hole in the snap line direction, also of the package top layer
Intersects the direction of snap holes of castellated slots
And the casterley under the package
Hole diameter in the direction crossing the snap line direction of the hole
A package with castellation, wherein x is a relationship of hole diameter z <hole diameter x . 2. A castellation of the package uppermost layer.
The long hole of the package is an oblong hole and the caster of the package lower layer e
Hole is a small hole, the snap of the oblong hole
The hole diameter y in the line direction and the snap line direction
The package with castellation according to claim 1, wherein the hole diameter x satisfies a relationship of hole diameter y ≧ hole diameter x .