CN101456100A - Laser welding method of electrode collar in artificial cochlea and platiniridium wire - Google Patents
Laser welding method of electrode collar in artificial cochlea and platiniridium wire Download PDFInfo
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- CN101456100A CN101456100A CN 200710172327 CN200710172327A CN101456100A CN 101456100 A CN101456100 A CN 101456100A CN 200710172327 CN200710172327 CN 200710172327 CN 200710172327 A CN200710172327 A CN 200710172327A CN 101456100 A CN101456100 A CN 101456100A
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- welding
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- platinum ring
- electrode retaining
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Abstract
The invention relates to a method for welding electrode retaining collars and platinum iridium wires in artificial cochleas by laser, which is realized by the following steps: integrally fixing a tool on a worktable of laser welding, putting a platinum ring into a positioning hole of a positioning plate of the electrode retaining collar, threading the platinum iridium wire through the center of the platinum ring, adjusting an upper plate of the welding tool, and fixing an adjusting slide block to make the angle between the upper plate of the welding tool and the base plate of the welding tool fixed; making laser weld the platinum ring together with the platinum iridium wire at a proper angle of incidence; adopting the laser of YAG series for laser spot welding; and putting the remained positioning holes on the positioning plate of the electrode retaining collar into the platinum ring, sequentially threading the platinum iridium wires through the platinum ring, controlling the level rectilinear movement of a laser worktable to ensure the laser aims at welding points of each platinum ring and platinum iridium wire, and finishing the welding sequentially. In the invention, the method has the advantages of small welding spots without post treatment, no damage to the coatings of the platinum iridium wire in the non-welding position when welding, fast welding, no other impurities pollution of weld spots, and high welding fastness.
Description
Technical field
The present invention relates to a kind of artificial cochlea, relate in particular to the method that electrode retaining collar and platinoiridita wire bond connect among this artificial cochlea.
Background technology
Artificial cochlea device is made up of planting apparatus two parts in speech processor (device outside) and the cochlea.In whole artificial cochlea device, planting apparatus is the part of most critical in the cochlea, because electrode directly stimulates auditory nerve, so the welding quality of electrode retaining collar and platinoiridita silk directly influences the product quality of interior planting apparatus.
But because the electrode retaining collar volume is very little, the platinoiridita silk is also very thin, and there is insulating coating on platinoiridita silk surface, and conventional welding method can not well be finished the welding of platinum electrode ring and platinoiridita silk.
Summary of the invention
The technical issues that need to address of the present invention have provided electrode retaining collar and platinoiridita silk laser welding method among a kind of artificial cochlea, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention realizes by following steps:
With the tool overall fixed on laser beam welding workstation, a platinum ring is put into the locating hole of electrode retaining collar location-plate, and the platinoiridita silk passes in the middle of the platinum ring, adjusts the welding fixture upper plate, and the secured adjusted slide block, the angle of welding fixture upper plate and welding fixture base plate is fixed;
Laser is connected together platinum ring and platinoiridita wire bond with rational incidence angle; Described laser adopts YAG series laser spot welding;
Locating hole on the electrode retaining collar location-plate of remainder is all put into the platinum ring, and the platinoiridita silk passes the platinum ring successively, moves by the horizontal linear of controlling the laser work platform, makes the pad of each platinum ring of laser alignment and platinoiridita silk, and welding is finished successively;
After all welding are finished, take off the finished product that all weld, can repeat aforesaid operations.
Compared with prior art, the invention has the beneficial effects as follows: the weldering spot is little, need not post-processed; Welding does not damage the not platinoiridita silk coating of welding position; Speed of welding is fast; Solder joint does not have other contaminating impurity; Welding fastness height.
Description of drawings
Fig. 1 is electrode retaining collar and platinoiridita silk laser weld schematic diagram;
Fig. 2 is the schematic diagram that electrode retaining collar and platinoiridita silk are placed in tool; Among the figure: electrode retaining collar 10, platinoiridita silk 20;
Fig. 3 is the jig structure schematic diagram that adopts among the present invention; Among the figure: the locating hole 200 on welding fixture upper plate 1, electrode retaining collar location-plate 2, the location-plate, adjusting slider 3, adjusting nut 4, adjusting screw(rod) 5, welding fixture base plate 6, base plate fixing hole 7;
Fig. 4 is the schematic diagram of electrode retaining collar among the present invention; Among the figure: electrode retaining collar 10
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
As seen from Figure 1, among the figure: electrode retaining collar 10, platinoiridita silk 20, insulating coating 21, laser are penetrated people's direction 30, solder joint 31.
By Fig. 2, Fig. 3, Fig. 4 as seen, the present invention realizes by following steps:
With the tool overall fixed on laser beam welding workstation, a platinum ring 10 is put into the locating hole 200 of electrode retaining collar location-plate 2, platinoiridita silk 20 passes in the middle of platinum ring 10, adjust welding fixture upper plate 1, and secured adjusted slide block 3, the welding fixture upper plate 1 and the angle of welding fixture base plate 6 are fixed;
Laser is welded together platinum ring 10 and platinoiridita silk 20 with rational incidence angle; Described laser adopts YAG series laser spot welding;
Locating hole 200 on the electrode retaining collar location-plate of remainder is all put into platinum ring 10, platinoiridita silk 20 passes platinum ring 10 successively, horizontal linear by control laser work platform moves, and makes the pad of each platinum ring 10 of laser alignment and platinoiridita silk 20, and welding is finished successively;
After all welding are finished, take off the finished product that all weld, can repeat aforesaid operations.
The YAG series laser spot welding that adopts among the present invention has following characteristics:
1, the heat affected area is little, and the big I of weldering spot is arbitrarily adjusted;
2, solder joint is meticulous, smooth, attractive in appearance, need not after welding treatment;
3, accurately locate, do not injure periphery material;
4, speed of welding is fast, quality is high;
5, solder joint is pollution-free, high-efficiency environment friendly;
6, welding scope is wide, is suitable for the welding with multiple metals such as gold, silver, platinum, titaniums.
By the characteristics of above-mentioned laser spot welder as can be seen, meet the welding requirements among the present invention fully.
The tool that adopts among the present invention has following characteristics (as shown in Figure 3):
1, by adjusting screw(rod) 5, promote adjusting slider 3, can regulate the angle between welding fixture upper plate 1 and the welding fixture base plate 6, thereby adjust the incident angle of electrode retaining collar and laser, to reach best welding effect.
2, the welding fixture base plate has two base plate fixing holes, whole tool can be fixed on the laser weld platform.
3, the material of adjusting nut 4, adjusting screw(rod) 5 is a stainless steel, can carry out for a long time and adjust operation.
4, the material of electrode retaining collar location-plate 2 is a stainless steel, the TRANSIENT HIGH TEMPERATURE that produces in the time of can bearing welding.
5, a plurality of electrode retaining collar locating holes are arranged on the electrode retaining collar location-plate 2, can weld (as shown in Figure 2) in batches at every turn; The electrode retaining collar location-plate is replaceable, saves maintenance cost.
6, other parts material is lucite, and in light weight, manufacture craft is simple.
Claims (1)
1. electrode retaining collar and platinoiridita silk laser welding method among the artificial cochlea, realize by following steps:
With the tool overall fixed on laser beam welding workstation, a platinum ring is put into the locating hole of electrode retaining collar location-plate, and the platinoiridita silk passes in the middle of the platinum ring, adjusts the welding fixture upper plate, and the secured adjusted slide block, the angle of welding fixture upper plate and welding fixture base plate is fixed;
Laser is connected together platinum ring and platinoiridita wire bond with rational incidence angle; Described laser adopts YAG series laser spot welding;
Locating hole on the electrode retaining collar location-plate of remainder is all put into the platinum ring, and the platinoiridita silk passes the platinum ring successively, moves by the horizontal linear of controlling the laser work platform, makes the pad of each platinum ring of laser alignment and platinoiridita silk, and welding is finished successively;
After all welding are finished, take off the finished product that all weld, can repeat aforesaid operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710172327 CN101456100B (en) | 2007-12-14 | 2007-12-14 | Laser welding method of electrode collar in artificial cochlea and platiniridium wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710172327 CN101456100B (en) | 2007-12-14 | 2007-12-14 | Laser welding method of electrode collar in artificial cochlea and platiniridium wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101456100A true CN101456100A (en) | 2009-06-17 |
| CN101456100B CN101456100B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710172327 Active CN101456100B (en) | 2007-12-14 | 2007-12-14 | Laser welding method of electrode collar in artificial cochlea and platiniridium wire |
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| CN (1) | CN101456100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151994A (en) * | 2011-04-27 | 2011-08-17 | 清华大学 | Laser spot welding assembly method of magnetic circuit system of miniature loudspeaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6011993A (en) * | 1998-04-30 | 2000-01-04 | Advanced Bionics Corporation | Method of making implanted ceramic case with enhanced ceramic case strength |
| CN2522053Y (en) * | 2001-07-19 | 2002-11-27 | 王晶 | External-duct type micro artificial electronic cochlea |
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2007
- 2007-12-14 CN CN 200710172327 patent/CN101456100B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151994A (en) * | 2011-04-27 | 2011-08-17 | 清华大学 | Laser spot welding assembly method of magnetic circuit system of miniature loudspeaker |
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| Publication number | Publication date |
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| CN101456100B (en) | 2011-04-20 |
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