CN1811529A - Jacking pin device for reaction chamber - Google Patents
Jacking pin device for reaction chamber Download PDFInfo
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- CN1811529A CN1811529A CN 200510006879 CN200510006879A CN1811529A CN 1811529 A CN1811529 A CN 1811529A CN 200510006879 CN200510006879 CN 200510006879 CN 200510006879 A CN200510006879 A CN 200510006879A CN 1811529 A CN1811529 A CN 1811529A
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- jacking
- jacking bolt
- counterweight
- pin device
- bolt
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Abstract
The present invention relates to a lifting bolt device that can be used in reaction chamber. Said lifting bolt device includes lifting bolt, guide piece and counterweight block. Said guide piece is placed in the reaction chamber, and has a guide hole in which the lifting bolt can be upwards and downwards moved, and between said guide hole and lifting bolt, a guide gap is set. Said counterweight block has a counterweight hole, the first end of said lifting bolt is passed through said counterweight hole and is fixed on the counterweight block, between the counterweight hole and lifting bolt a counterweight gap is set, said counterweight gap is smaller than the above-mentioned guide gap.
Description
Technical field
The invention relates to a kind of semiconductor device, and particularly relevant for a kind of jacking pin device that is used for reaction chamber.
Background technology
Existing liquid crystal panel manufacture process normally is formed at a plurality of panels on one large substrate simultaneously, is cut into single panel then again to save manufacturing cost after processing procedure is finished.When making, large substrate is transferred in each different process reaction room according to required process stage.Process reaction room then utilizes the lifting of jacking bolt, will be transferred to the baseplate carrier surface of reaction chamber by the substrate that mechanical arm is sent here, so as to deposit, processing procedure such as etching, grinding or edging.
Figure 1A and Figure 1B are depicted as the synoptic diagram of existing jacking pin device, and wherein the jacking bolt among Figure 1A is to be positioned at lifting position, and the jacking bolt among Figure 1B then is positioned at down position.Jacking pin device comprises a jacking bolt 102, one guide members 104 and a balancing weight 106.Guide member 104 is fixed in the interior baseplate carrier 108 of reaction chamber.One end of jacking bolt 102 passes guide member 104, guides its lifting direction by guide member 104.The other end of jacking bolt 102 then uses a C type clasp 126 to be fixed on the balancing weight 106.When wanting jacking bolt 102 to move up, jacking gear 110 can move up and make 102 risings (shown in Figure 1A) of jacking bolt; When wanting jacking bolt 102 to move down, jacking gear 110 can descend earlier, and 102 on jacking bolt leans on balancing weight 106 and gravity and then to fall (shown in Figure 1B).
In general, because employed chemical vapor deposition board is a high temperature board (about 280 ℃) in the panel film forming processing procedure, substrate (as glass substrate) can produce because of the metaboly that has been heated under this high temperature.Fig. 2 is the synoptic diagram of existing jacking pin device supporting deformation substrate, and wherein substrate 200 is to produce distortion because of being heated.As shown in Figure 2, when mechanical arm was transferred to baseplate carrier 108 surfaces with substrate 200, the substrate 200 of this distortion can apply a side force on jacking bolt 102.
In traditional design, jacking bolt 102 is loose fits with balancing weight 106, and its gap (about 0.1mm) is greater than the gap (about 0.05mm) of 104 of jacking bolt 102 and guide members.So, when jacking bolt 102 was stressed, the stressed fulcrum of jacking bolt 102 was positioned on the guide member 104, therefore made jacking bolt 102 produce crooked and lifting smoothly.
In particular, when heavy inadequately as if balancing weight 106, crooked jacking bolt 102 can be stuck and can not fall, and therefore substrate 200 can't be positioned in correct position.Then the substrate 200 of this incorrect location can collide the wall of reaction chamber and form fragmentation if use mechanical arm to get sheet this moment, and the pollution in causing reaction chamber, the cleaning fragmentation also can reduce production efficiency.In addition, when electricity consumption being starched carry out the film forming processing procedure, the substrate of incorrect location can cause the membranous fine ratio of product that influences with the unusual of thickness because of the electricity slurry skewness on its surface.
On the other hand, if when the weight of balancing weight 106 is enough, then above-mentioned crooked jacking bolt 102 can be compelled to fall.This forcing falls the wearing and tearing that can cause 104 of jacking bolt 102 and guiding pieces, not only significantly reduced both serviceable life, and the contaminant particles that produces because of wearing and tearing also can pollute reaction chamber inside, can reduce fine ratio of product equally.
Summary of the invention
Therefore one aspect of the present invention just provides a kind of jacking pin device, changes the stressed fulcrum of jacking bolt, solves above-mentioned jacking bolt and blocks or wear problems.
Another aspect of the present invention provides a kind of jacking pin device that is used for reaction chamber, makes the lifting and prolong its serviceable life and reduce the particle contamination that produces because of wearing and tearing smoothly of jacking bolt.
Another purpose of the present invention provides a kind of reaction chamber, changes the relativeness in the gap of jacking bolt, guide member and balancing weight, reducing the substrate fragmentation and to improve the thickness of substrate and membranous unusual, and then increases prouctiveness and improves the product yield.
According to a preferred embodiment of the present invention, this jacking pin device is to be used for reaction chamber, and comprises jacking bolt, guide member and balancing weight.This guide member is assemblied in the reaction chamber, and has a guide hole for jacking bolt lifting moving therein.And, have a guiding gap between this guide hole and the jacking bolt.This balancing weight has a counterweight hole, and first end of jacking bolt passes this counterweight hole and is fixed in balancing weight.Have a counterweight gap between counterweight hole and the jacking bolt, wherein this counterweight gap is less than above-mentioned guiding gap.
Description of drawings
For above-mentioned and other purposes of the present invention, feature, advantage and embodiment can be become apparent, accompanying drawing is described in detail as follows:
Figure 1A and Figure 1B are depicted as the synoptic diagram of existing jacking pin device, and wherein the jacking bolt among Figure 1A is positioned at lifting position, and the jacking bolt among Figure 1B then is positioned at down position;
Figure 2 shows that the synoptic diagram of existing jacking pin device supporting deformation substrate;
Figure 3 shows that the synoptic diagram of a preferred embodiment of the present invention.
Description of reference numerals:
102: jacking bolt 104: guide member
106: balancing weight 108: baseplate carrier
110: jacking gear 126:C type clasp
200: substrate
300: jacking pin device 302: the jacking bolt
304: guide member 306: balancing weight
310: jacking gear 314: guide hole
316: 322: the first ends in counterweight hole
326: 332: the second ends of clasp
Embodiment
Fig. 3 is the synoptic diagram of a preferred embodiment of the present invention.Jacking pin device 300 is used for a reaction chamber, and the substrate that is undertaken between mechanical arm and baseplate carrier surface by the lifting of jacking bolt shifts.This reaction chamber be in order to deposit, processing procedure such as etching, grinding or edging, for example a chemical vapor deposition board that is used in the panel film forming processing procedure.
In order to clearly demonstrate this preferred embodiment, the counterweight gap that definition earlier is positioned between counterweight hole and jacking bolt is a, and the guiding gap that is positioned between guide hole and jacking bolt is b, and the surface of contact length of jacking bolt in the counterweight hole is c, the counterweight hole is of a size of e, and first end of jacking bolt is of a size of d.
As shown in Figure 3, this jacking pin device 300 comprises a jacking bolt (lift pin) 302, one guide member (pin guide) 304 and one balancing weight (pin weight) 306.This guide member 304 is assemblied in the reaction chamber, for example is fixed in the baseplate carrier (substrate support) (accompanying drawing does not indicate) in the reaction chamber.Guide member 304 has a guide hole 314.Jacking bolt 302 passes this guide hole 314 and lifting moving therein, utilizes guide member 304 to guide its lifting direction.And, have a guiding gap b between this guide hole 314 and the jacking bolt 302.Balancing weight 306 has a counterweight hole 316.First end 322 of jacking bolt 302 passes this counterweight hole 316, and is fixed on the balancing weight 306.Has a counterweight gap a between counterweight hole 316 and the jacking bolt 302.
The gap that this preferred embodiment reduction jacking bolt 302 and balancing weight are 306, make its gap less than 304 of jacking bolt 302 and guide members, stressed fulcrum when so changing jacking bolt 302 and being applied side force by substrate is to reduce the situation of the stuck and wearing and tearing of jacking bolt 302.More particularly, being positioned at the counterweight gap a of 302 on counterweight hole 316 and jacking bolt must be less than the guiding gap b that is positioned at 302 on guide hole 314 and jacking bolt.Therefore, when substrate applied side force to second end 332 of jacking bolt 302 and produces a moment, the relativeness between above-mentioned two gap a and b can make jacking bolt 302 change with balancing weight 306 as its stressed fulcrum, rather than the guide member during traditional design.
In addition, this preferred embodiment also provides several preferred configuration conditions, with the performance of further lifting jacking pin device 300.For instance, counterweight gap a is less than guiding gap b at least more than the 0.01mm, causes wearing and tearing to guarantee jacking bolt 302 can not be stuck on the guide member 304.Secondly, the surface of contact length c of jacking bolt 302 in counterweight hole 316 is not less than 3mm.By increasing the contact area of jacking bolt 302 and balancing weight 306, avoid jacking bolt 302 to rupture because of contact strength is not enough.In addition, the size e in counterweight hole 316 can't be movable to avoid jacking bolt 302 and balancing weight 306 to kill greater than the size d of first end 322 of jacking bolt 302 at least more than the 0.05mm.
In addition, second end 332 of jacking bolt 302 is in order to supporting a substrate, and second end 332 drops out outside the guide member 304 to prevent jacking bolt 302 fully greater than this guide hole 314.First end 322 of jacking bolt 302 utilizes a clasp 326 (for example clasp of C type clasp or other shapes) to be fixed on the balancing weight 306.Jacking pin device 300 also comprises a jacking gear 310, to drive the lifting moving of jacking bolt 302.When wanting jacking bolt 302 to move up, jacking gear 310 can move up and jacking bolt 302 is risen; When wanting jacking bolt 302 to move down, jacking gear 310 can descend earlier, and 302 on jacking bolt leans on balancing weight 306 and gravity and then to fall.
According to above-mentioned design, the jacking bolt 302 in this preferred embodiment is able to smooth lifting, so prolongs its serviceable life and reduces the particle contamination that produces because of wearing and tearing.Following table one is the comparison prior art jacking pin device of preferred embodiment therewith, list both liquid crystal cells fraction defective (liquidcrystal cell defect yield), fragmentation number (broken piece) and board heap goods number (work inpiece) respectively, to be used for illustrating that this preferred embodiment has solved the problem of existing jacking pin device really.
Table 1: prior art is the comparison of the jacking pin device of preferred embodiment therewith
| Liquid crystal cells fraction defective (%) | Fragmentation number (sheet) | Board heap goods number (individual) | |
| Prior art | 1.34 | 5 | 200 |
| Preferred embodiment | 0.05 | 0 | 60 |
As shown in Table 1, this preferred embodiment can improve the thickness and the membranous unusual situation of substrate, makes the liquid crystal cells fraction defective be reduced to 0.05% by 1.34% of script.The fragmentation number that causes because of the jacking bolt is crooked in the reaction chamber also can be reduced to fully by originally 5 not to be had.And because need not shut down the action of clearing up fragmentation, so the heap goods number of board also can be reduced to 60 by originally 200, increased production efficiency significantly.That is to say, use the jacking pin device of this preferred embodiment, can reduce the substrate fragmentation in the reaction chamber significantly and improve the thickness of substrate and membranous unusual, and then increase production efficiency and improve the product yield.
Though the present invention with a preferred embodiment openly as above; but be not in order to limit the present invention; any people who is familiar with this technology; in not breaking away from creation thought of the present invention and protection domain; can do various changes and modification, so protection scope of the present invention should be as the criterion with the scope that claims were defined.
Claims (21)
1. a jacking pin device is used for a reaction chamber, and this jacking pin device comprises at least:
One jacking bolt;
One guide member is assemblied in this reaction chamber, and this guide member has a guide hole for this jacking bolt lifting moving therein, and has a guiding gap between this guide hole and this jacking bolt; And
One balancing weight has a counterweight hole, and one first end of this jacking bolt passes this counterweight hole and is fixed in balancing weight, has a counterweight gap between this counterweight hole and the jacking bolt, and wherein this counterweight gap is less than the guiding gap.
2. jacking pin device as claimed in claim 1 is characterized in that, when a substrate produced a moment to this jacking bolt, the fulcrum of this moment was positioned at this balancing weight.
3. jacking pin device as claimed in claim 1 is characterized in that, the length of the surface of contact of described jacking bolt in this counterweight hole is not less than 3mm.
4. jacking pin device as claimed in claim 1 is characterized in that, described counterweight gap is less than more than this guiding gap 0.01mm.
5. jacking pin device as claimed in claim 1 is characterized in that, more than this end 0.05mm of described counterweight hole greater than this jacking bolt.
6. jacking pin device as claimed in claim 1 is characterized in that, second end of described jacking bolt is in order to supporting a substrate, and this second end is greater than this guide hole.
7. jacking pin device as claimed in claim 1 is characterized in that, described first end is to utilize a clasp to be fixed in this balancing weight.
8. jacking pin device as claimed in claim 1 is characterized in that described jacking pin device also comprises a jacking gear, to drive the lifting moving of this jacking bolt.
9. the jacking pin device of a reaction chamber comprises at least:
One jacking bolt;
One guide member, this jacking bolt passes this guide member, and has a guiding gap between this guide member and this jacking bolt; And
One balancing weight is fixed in first end of this jacking bolt, and has a counterweight gap between this balancing weight and the jacking bolt, and wherein the gap is guided less than this in this counterweight gap.
10. jacking pin device as claimed in claim 9 is characterized in that, an end of described jacking bolt is in order to supporting a substrate, and when this substrate produced a moment to this jacking bolt, the fulcrum of this moment was positioned at this balancing weight.
11. jacking pin device as claimed in claim 9 is characterized in that, the surface of contact length of described jacking bolt and this balancing weight is not less than 3mm.
12. jacking pin device as claimed in claim 9 is characterized in that, described counterweight gap is less than more than this guiding gap 0.01mm.
13. jacking pin device as claimed in claim 9 is characterized in that, described jacking bolt is to utilize a clasp to be fixed in this balancing weight.
14. jacking pin device as claimed in claim 9 is characterized in that, described jacking pin device also comprises a jacking gear, to move up and down this jacking bolt.
15. a reaction chamber has a jacking pin device in order to lifting one substrate, this jacking pin device comprises a jacking bolt, a guide member and a balancing weight, it is characterized in that:
This guide member has a guide hole for this jacking bolt lifting moving therein, and has a guiding gap between this guide hole and this jacking bolt; And
This balancing weight has a counterweight hole, and an end of this jacking bolt passes this counterweight hole and is fixed in this balancing weight, has a counterweight gap between this counterweight hole and this jacking bolt, and wherein the gap is guided less than this in this counterweight gap.
16. reaction chamber as claimed in claim 15 is characterized in that, when described substrate produced a moment to this jacking bolt, the fulcrum of this moment was positioned at this balancing weight.
17. reaction chamber as claimed in claim 15 is characterized in that, the length of the surface of contact of jacking bolt in this counterweight hole is not less than 3mm.
18. reaction chamber as claimed in claim 15 is characterized in that, described counterweight gap is less than more than this guiding gap 0.01mm.
19. reaction chamber as claimed in claim 15 is characterized in that, more than this end 0.05mm of described counterweight hole greater than this jacking bolt.
20. reaction chamber as claimed in claim 15 is characterized in that, this end of described jacking bolt is to utilize a clasp to be fixed in this balancing weight.
21. reaction chamber as claimed in claim 15 is characterized in that, described jacking pin device also comprises a jacking gear, to drive the lifting moving of this jacking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100068791A CN100371783C (en) | 2005-01-27 | 2005-01-27 | Jacking pin device for reaction chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100068791A CN100371783C (en) | 2005-01-27 | 2005-01-27 | Jacking pin device for reaction chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811529A true CN1811529A (en) | 2006-08-02 |
| CN100371783C CN100371783C (en) | 2008-02-27 |
Family
ID=36844550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100068791A Expired - Fee Related CN100371783C (en) | 2005-01-27 | 2005-01-27 | Jacking pin device for reaction chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100371783C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213039A (en) * | 2014-06-23 | 2016-01-06 | 上银科技股份有限公司 | Height adjusting connector for surgical instrument |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669977A (en) * | 1995-12-22 | 1997-09-23 | Lam Research Corporation | Shape memory alloy lift pins for semiconductor processing equipment |
| US5848670A (en) * | 1996-12-04 | 1998-12-15 | Applied Materials, Inc. | Lift pin guidance apparatus |
| JP3602324B2 (en) * | 1998-02-17 | 2004-12-15 | アルプス電気株式会社 | Plasma processing equipment |
| US6687317B1 (en) * | 1999-04-16 | 2004-02-03 | Koninklijke Philips Electronics N.V. | Method for correlation directed echo cancellation and channel equalization for the digital transmission link in vestigial side band amplitude modulation |
| JP2001135713A (en) * | 1999-11-09 | 2001-05-18 | Tokyo Electron Ltd | Mechanism for placing object to be treated |
| JP2003060012A (en) * | 2001-08-08 | 2003-02-28 | Asm Japan Kk | Reaction chamber for semiconductor treatment |
-
2005
- 2005-01-27 CN CNB2005100068791A patent/CN100371783C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213039A (en) * | 2014-06-23 | 2016-01-06 | 上银科技股份有限公司 | Height adjusting connector for surgical instrument |
| TWI554372B (en) * | 2014-06-23 | 2016-10-21 | Hiwin Tech Corp | Surgical instrument height adjustment link device |
| CN105213039B (en) * | 2014-06-23 | 2017-10-03 | 上银科技股份有限公司 | Height adjusting connector for surgical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100371783C (en) | 2008-02-27 |
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Granted publication date: 20080227 Termination date: 20170127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |