CN107791402A - Diamond tool - Google Patents

Abstract

The present invention provides a kind of diamond tool, and productivity ratio is improved in using prismatic single-crystal diamond as the diamond tool of pedestal.Diamond tool is provided with：Top surface (16a~16d), it is each apex of the upper surface of the prism in diamond tool (10) to make the line vertical with the line of decile upper surface be formed as in a manner of intercept from upper surface angle of inclination (θ 1)；And inclined plane (17a~17h), they are formed by the outer peripheral face from the adjoining including the summit towards the summit.The intersection point of a pair of angled face and top surface is tip (P1~P4).Thereby, it is possible to the point of a knife processing for will not impact the top surface of other tips when processing top surface, inclined plane and productivity ratio is high.

Description

Diamond tool

Technical field

The present invention relates to for by diamond point (diamond point) to the fragility material such as glass substrate, silicon wafer The diamond tool that material substrate is delineated.

Background technology

In the past, in order to be delineated to glass substrate, silicon wafer, formed using scribe wheel, by single-crystal diamond Diamond point instrument.For glass substrate, the main scribe wheel using relative to substrate rotating, but consider after delineating Substrate intensity improve the advantages that, also inquired into the diamond point used as fixed blade.Proposed in patent document 1 Filled to be delineated to glass plate using the delineation of the glass graver (glass scriber) of the front end with cone Put.The front end face of diamond particles 3 is set to plane and forms abradant surface towards crest line in addition, being proposed in patent document 2 And the intersection point of abradant surface and crest line is set to the diamond scribe device of tip.

First patent document

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2013-043787 publications

Patent document 2：Japanese Unexamined Patent Publication 2005-088455 publications

The content of the invention

In the case where conventional single-crystal diamond is processed as instrument, preferable add according to crystal orientation be present The direction of work, but there are and be difficult to form machined surface the problem of point suitable for each tip in the processing of single plane.In addition, Be processed in the face to the top surface referred to as point of a knife, then pair crest line being connected with top surface be processed and formed tip and Aforesaid operations are repeated and in the case of forming multiple tips, when generating breach in top surface side in the processing of any crest line In the case of, it is necessary to be processed again to top surface.Equally, even if in the processing of the inclined plane for forming crest line, it is also possible to Position, angle to other crest lines impact.Accordingly, there exist be likely to require be machined to it is unwanted place or make The tip formed produces breach the problem of point.

The present invention be in view of it is such in the past the problem of point and complete, its object is to provide one kind to be produced The diamond tool of the high point of a knife processing of rate.

For solving the scheme of problem

In order to solve the problem, diamond tool of the invention possesses：Prismatic pedestal, it include upper surface and with The vertical multiple outer peripheral faces in the upper surface；Top surface, its by the upper surface of the prism each apex so that with including upper The mode that the summit on surface and the vertical line of the bisector of decile upper surface turn into intercept forms from upper surface tilt angle theta 1； And a pair of angled face, they are formed by being tilted from two outer peripheral faces of the adjoining including the summit towards the summit, described A pair of angled face and the intersection point of the top surface are tip.

Herein, can also be configured to, the upper surface and the angle, θ 1 of the top surface more than 0 ° and are less than 15 °.

Invention effect

According to the present invention having the feature that, in the case where being processed to the single-crystal diamond of prism-shaped, energy Enough to carry out the processing suitable for crystal orientation for each tip respectively, crudy is stable.In addition, top surface is independently entered with crest line Row processing, therefore, the top surface and crest line of other tips will not be caused when the top surface and crest line of one tip of processing Influence.And then obtain following effect：Formerly processing top surface reprocessing crest line in the case of, even if top surface side produce breach and In the case of processing again, the top surface of other tips will not also be impacted.In addition, the side of instrument is to be hung down with upper surface Straight outer peripheral face, can easily it be positioned when being installed on tool rack.

Brief description of the drawings

Fig. 1 (a) be show the present invention first embodiment diamond tool manufacturing process top view, Fig. 1 (b) It is front view.

Fig. 2 (a) is the top view of the diamond tool of embodiment, and Fig. 2 (b) is front view.

Fig. 3 is the partial enlarged drawing of the pointed portion for the diamond tool for showing embodiments of the present invention.

Description of reference numerals

10 diamond tools

11 pedestals

12 upper surfaces

12a~12d summits

13a~13d outer peripheral faces

14th, 15 bisector

14a, 14b, 15a, 15b intercept

16a~16d top surfaces

17a~17h inclined planes

18a~18d crest lines

P1~P4 tips

Embodiment

Next, embodiments of the present invention are illustrated.Fig. 1 (a) is the Buddha's warrior attendant for showing embodiments of the present invention The top view of the manufacturing process of lapicide's tool, Fig. 1 (b) is front view.The diamond tool is by the monocrystalline of the quadrangular of certain altitude Diamond is as pedestal 11.The pedestal 11 has the outer peripheral face 13a~13d in upper surface 12 and four directions.Upper surface 12 is pros Shape, the cubic summit of upper surface 12 is set to 12a~12d.Relative to the pedestal 11 upper surface 12 each summit 12a~ 12d parts generation tip.

Then, the processing to the tip on the cubic summit for being formed at upper surface 12 illustrates.For upper surface 12 One summit 12a, as shown in Fig. 2 (a) and Fig. 3, so as to be hung down with the bisector 15 including summit 12a and decile upper surface 12 Straight line turns into the intercept 14a of upper surface 12 mode and with from upper surface 12 towards outer peripheral face 13a, 13b and tilt angle theta 1 Mode form top surface 16a.

For the summit 12b of upper surface 12, as shown in Fig. 2 (a) so that with including summit 12b and decile upper surface 12 The vertical line of bisector 14 turn into upper surface 12 intercept 15a mode and with from upper surface 12 towards outer peripheral face 13b, 13c And the mode of tilt angle theta 1 forms top surface 16b.

For the summit 12c of upper surface 12, as shown in Fig. 2 (a), so that the line vertical with bisector 15 turns into upper surface 12 Intercept 14b mode and to form top surface 16c in a manner of tilt angle theta 1 from upper surface 12 towards outer peripheral face 13c, 13d.

For the summit 12d of upper surface 12, as shown in Fig. 2 (a), so that the line vertical with bisector 14 turns into upper surface 12 Intercept 15b mode and to form top surface 16d in a manner of tilt angle theta 1 from upper surface 12 towards outer peripheral face 13d, 13a. Herein, angle, θ 1 is more than 0 ° and for less than 15 °, preferably 1 °~10 °.If close to 0 °, working (finishing) area becomes big, when expending processing Between, and be possible to impact other top surfaces when processing top surface.If more than 15 °, the processing of inclined plane described later Become difficult.

Next, for summit 12a, as shown in Fig. 2 (a), Fig. 3, to the outer peripheral face 13a part contacted with top surface 16a It is ground and forms inclined plane 17a, also, the outer peripheral face 13b part contacted with top surface 16a is ground and is formed and inclined Inclined-plane 17b.Now, when line formed by two inclined planes 17a, 17b is set into crest line 18a, with Fig. 2 (a) top view Inclined plane 17a, 17b turns into mode that is symmetrical and making crest line 18a parallel with bisector 15 and forms inclined plane 17a, 17b.Will be such The top surface 16a and crest line 18a of formation intersection point are set to tip P1.

Next, for summit 12b, as shown in Fig. 2 (a), the outer peripheral face 13b part contacted with top surface 16b is carried out Grind and form inclined plane 17c, also, the outer peripheral face 13c part contacted with top surface 16b is ground and forms inclined plane 17d.Now, when line formed by two inclined planes 17c, 17d is set into crest line 18b, to be tilted in Fig. 2 (a) top view Face 17c, 17d turn into mode that is symmetrical and making crest line 18b parallel with bisector 14 and form inclined plane 17c, 17d.It will be thusly-formed Top surface 16b and crest line 18b intersection point be set to tip P2.It should be noted that tip P1 inclined plane 17b, tip P2's inclines Inclined-plane 17c is ground from identical outer peripheral face 13b, but as each independent face.That is, also formed for each on inclined plane Tip and different faces, therefore the grinding of each inclined plane will not impact to the inclined plane of other tips.

Next, for summit 12c, as shown in Fig. 2 (a), the outer peripheral face 13c part contacted with top surface 16c is carried out Grind and form inclined plane 17e, also, the outer peripheral face 13d part contacted with top surface 16c is ground and forms inclined plane 17f.Now, when line formed by two inclined planes 17e, 17f is set into crest line 18c, to be tilted in Fig. 2 (a) top view Face 17e, 17f turn into mode that is symmetrical and making crest line 18c parallel with bisector 15 and form inclined plane 17e, 17f.It will be thusly-formed Top surface 16c and crest line 18c intersection point be set to tip P3.

Next, for summit 12d, as shown in Fig. 2 (a), the outer peripheral face 13d part contacted with top surface 16d is carried out Grind and form inclined plane 17g, also, the outer peripheral face 13a part contacted with top surface 16d is ground and forms inclined plane 17h.Now, when line formed by two inclined planes 17g, 17h is set into crest line 18d, to be tilted in Fig. 2 (a) top view Face 17g, 17h turn into mode that is symmetrical and making crest line 18d parallel with bisector 14 and form inclined plane 17g, 17h.It will be thusly-formed Top surface 16d and crest line 18d intersection point be set to tip P4.

Herein, as shown in figure 3, top surface 16a and crest line 18a angulations θ 2 is preferably less than more than 130 ° 160 °.For Angle, θ 2 is set to such value, upper surface 12 and top surface 16a angle, θ 1 is preferably less than 15 °.For other summits And same.Thereby, it is possible to formed to have tip P1~P4 near each summit 12a~12d of the pedestal 12 of quadrangular Diamond tool 10.Tool rack is installed on further, it is possible to easily stablize the lower section of the pedestal 11 by soldering etc..This When, the outer peripheral face of specific length is remained in the lower section of pedestal 11, can be by Buddha's warrior attendant lapicide by making the face be contacted with tool rack Tool 10 reliably positions relative to tool rack.

It should be noted that in the present embodiment, at summit 12a~12a of the upper surface of the pedestal 11 of quadrangular Be initially formed top surface 16a~16d, be subsequently formed inclined plane 17a~17h, but can also be previously formed each inclined plane 17a~ Rear top surface 16a~16d is formed after 17h.In any case, crest line is processed when top surface is processed and forms inclined plane When, even if in the case where top surface side generates breach, will not be to other points as long as being processed again to the top surface The top surface of head impacts.In addition, it is also likewise, will not be to adjacent in the crest line of one tip of processing for inclined plane The inclined plane and top surface of tip impact.

In above-mentioned each embodiment, the point of setting everywhere near each summit of the upper surface of the pedestal of quadrangular Head, but be not necessarily required to all setting tip everywhere, as long as being set at least two.In addition, in the present embodiment Using the pedestal of quadrangular, but quadrangular is not limited to, as long as the apex in the upper surface of polygon prism forms tip.

Industrial applicability

The present invention can easily manufacture scribing tool using diamond synthesis, can be as the various of thin glass plate etc. The scribing tool of the brittle substrate of shape is used.

Claims (2)

1. a kind of diamond tool, wherein,

The diamond tool possesses：

Prismatic pedestal, it includes upper surface and the multiple outer peripheral faces vertical with the upper surface；

Top surface, its by the upper surface of the prism each apex so that with the summit including upper surface and decile upper table The line that the bisector in face is vertical forms as the mode of intercept from upper surface tilt angle theta 1；And

A pair of angled face, they are formed by being tilted from two outer peripheral faces of the adjoining including the summit towards the summit,

The pair of inclined plane and the intersection point of the top surface are tip.

2. diamond tool according to claim 1, wherein,

The upper surface is with the top surface angulation θ 1 more than 0 ° and for less than 15 °.