CN1622239A - Axial lead color wheel porcelain capacitor and manufacturing technological process thereof - Google Patents
Axial lead color wheel porcelain capacitor and manufacturing technological process thereof Download PDFInfo
- Publication number
- CN1622239A CN1622239A CN 200310112376 CN200310112376A CN1622239A CN 1622239 A CN1622239 A CN 1622239A CN 200310112376 CN200310112376 CN 200310112376 CN 200310112376 A CN200310112376 A CN 200310112376A CN 1622239 A CN1622239 A CN 1622239A
- Authority
- CN
- China
- Prior art keywords
- lead
- ceramic capacitor
- colour circle
- electric capacity
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 42
- 239000003990 capacitor Substances 0.000 title claims description 35
- 230000008569 process Effects 0.000 title claims description 30
- 229910052573 porcelain Inorganic materials 0.000 title description 2
- 239000003985 ceramic capacitor Substances 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 55
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 241000567030 Ampulloclitocybe clavipes Species 0.000 description 6
- 206010043101 Talipes Diseases 0.000 description 6
- 201000011228 clubfoot Diseases 0.000 description 6
- 238000012797 qualification Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000007648 laser printing Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013440 design planning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The ceramic capacitor has axial leads connected to the end caps, end caps and connected to the electrode layers on two ends, wrapping layer around the chip and end caps, and color rings on the wrapping layer to show the capacitance. The ceramic capacitor has color rings distinguished easily by worker or with optoelectronic instrument, flexible leads capable of being bent to small angle and high mechanical performance, and may be used in automatic insertion with high efficiency and quality. Correspondingly, the production process of the ceramic capacitor is also provided and the production process is simple, relax in technological requirement, high in production efficiency and low in production cost.
Description
[technical field]
The present invention relates to a kind of ceramic capacitor, specifically, the present invention relates to a kind of axial lead ceramic capacitor and manufacturing process thereof that adopts colour circle to indicate.
[background technology]
Traditional axial lead ceramic capacitor product is because the restriction of production technology, adopt the lead-in wire of zinc-plated steel wire as the electric capacity chip two end electrodes always, this makes the pliability of lead-in wire greatly reduce, be unfavorable for producing less clubfoot, and, because its lead-in wire directly is welded on the electric capacity chip two ends, make the solder joint mechanical performance greatly reduce, thereby, cause the lead end cephalic slit to lose efficacy easily from ceramic capacitor is damaged when lead-in wire clubfoot flex point during near the termination; Therefore capacitor being installed when being welded on the circuit board, need bigger installing space, sometimes even can not be fit in the circuit board space that design planning is good and go, the adaptability and the flexibility of installation are very poor; What is more important: adopt the production procedure of traditional mode of zinc-plated steel wire as the ceramic capacitor of lead-in wire, its production process is strict, some arts demand particular surroundings, so the separation procedure of having to finish, to such an extent as to technology is loaded down with trivial details, cost is higher; For example: traditional axial lead ceramic capacitor adopts the method for laser printing numeral to indicate capacitance, the laser coding machine cost that is used for laser marker is higher, encapsulating material needs prescription comparatively especially, and require encapsulating material evenly to be solidified into the brilliance dura mater before the laser coding, encapsulating material baking-curing temperature is higher, require the power size of baking oven all bigger, and the intensification/cooling cycle is long, need in the practice repeatedly to apply, baking, cure cycle, on technology, exist operation comparatively complicated, the specification requirement height, production cost is too high, the disadvantage that production efficiency is lower, and also there is following shortcoming in product on serviceability: because traditional axial lead ceramic capacitor adopts solid encapsulating material (as pulverulent material), need repeatedly application repeatedly, high-temperature baking is shaped could form solid-state sealing, efficient is low, is unfavorable for forming consistent outward appearance.In addition, the figure denote of electric capacity product exists directivity, both has been not easy to manual identified, also is not easy to plug-in unit installation photoelectric instrument mechanically and discerns automatically, greatly influenced raising plug-in unit efficient and plug-in unit qualification rate, and be unfavorable in the future detection and maintenance the parts plate.
Yet up to now, industry does not form enough attention for the problems referred to above, thereby let alone to it takes what corrective measure yet.
[summary of the invention]
In order to overcome the above-mentioned defective of prior art, the purpose of this invention is to provide a kind of axial lead ceramic capacitor that colour circle indicates that has, this ceramic capacitor is convenient to manual identified and photoelectric instrument identification, its lead-in wire has pliability preferably, can produce less clubfoot, can improve mechanical performance of products and recognition performance, thus efficient and qualification rate can significantly improve automatic insertion the time; Correspondingly, another object of the present invention provides a kind of process of producing above-mentioned ceramic capacitor, and this method has that operation is comparatively simple, advantages such as specification requirement is lower, production efficiency is higher, low production cost.
The present invention adopts following technical scheme to realize above-mentioned goal of the invention: promptly a kind of axial lead colour circle ceramic capacitor, this ceramic capacitor comprises lead-in wire and the electric capacity chip that is positioned at these ceramic capacitor two ends, the lead-in wire that is positioned at these ceramic capacitor two ends wherein is on the same rectilinear direction, electric capacity chip comprises ceramic dielectric layer again and is positioned at the electrode layer at ceramic dielectric layer two ends, and lead-in wire directly is connected on the end cap cylindraceous, and this end cap is positioned at these ceramic capacitor two ends and is connected on the electrode layer at electric capacity chip two ends; On end cap and electric capacity chip, has encapsulated layer; On encapsulated layer, scribble the colour circle that indicates capacitance.Traditional ceramic capacitor technology has considered that the two chemical bond of pottery and metal differs greatly, on the interface, exist the difference of chemistry and physical property when mutually combining, in order to realize effective connection therebetween, when making ceramic capacitor, ceramic material surfaces has been carried out the surface metalation modification, make its surface property help near metal material connecting and realize that other functions, traditional ceramic capacitor just directly are connected metal lead wire on the electrode layer of the above-mentioned metalized modified of process at porcelain interlayer two ends.But, the electrode layer at ceramic dielectric layer two ends remains very low with respect to the mechanical adhesion and the intensity of ceramic dielectric, if it is very strong to add the rigidity of the lead-in wire that is connected with electrode layer, lead-in wire and electrode layer certainly will can only bear very little mechanical displacement power, and when plug-in unit is installed in production reality as on production line, the metal lead wire that manipulator or manually all can be very easy to makes ceramic capacitor splits away off from the electrode of capacitor, causes that the plug-in unit success rate reduces, production efficiency is low and production cost increases.At above-mentioned disadvantage, the lead-in wire of ceramic capacitor of the present invention no longer directly is connected with the electrode layer at ceramic dielectric layer two ends, but at first be connected with the end cap that mechanical socket is engaged on the ceramic dielectric layer two end electrodes layer, realize being connected with ceramic dielectric layer two end electrodes layer indirectly by end cap then.End cap and ceramic dielectric layer two end electrodes interlayer have produced the mechanical engagement power of strengthening, and have greatly strengthened the bonding strength of original lead-in wire.The present invention strengthens the mechanical strength that is connected between lead-in wire and electrode except adopting end cap, in order to improve efficient and the qualification rate of capacitor when the automatic insertion, abandoning tradition capacitor product of the present invention adopts the process of laser printing figure denote, on the basis of aforementioned improved, also adopt colour circle to indicate the electrical performance indexes of capacitor on the outer surface sealing of capacitor, colour circle is more than 3 or 3, and wherein the 1st colour circle is thicker than other colour circle.Colour circle indicates has the advantage that omnirange shows, overcome the directivity limitation that figure denote exists, when having improved plug-in unit and having installed by automatic discrimination and/or the manual identified rate of photoelectric instrument, thereby can improve plug-in unit efficient and plug-in unit qualification rate greatly, and be easy in the future detection and maintenance to the parts plate.
In order to increase the pliability of lead-in wire, so that can produce less clubfoot, lead-in wire of the present invention is the copper lead-in wire that has tin coating.In order further to reinforce being connected between lead-in wire and tubular end cap, tubular end cap and the two end electrodes layer, tubular end cap of the present invention is to have the cylindric end cap of end socket so that make the inwall of this end cap cylindrical shell and end socket all have tin coating, and this tin coating is welding in heating on the electrode layer at described electric capacity chip two ends.Four ribs of the tubular end cap after the interior melting welding of process is reinforced and the electrode layer of electric capacity chip and the one that end face all obtains scolding tin link, can overcome the low shortcoming of steadiness of CONTACT WITH FRICTION of end cap cylindrical shell and the electric capacity chip that is generally four prisms cylinder, and more support to adopt cylindric end cap structure, and cylindric end cap is in ensuing subsequent technique, for forming cylindrical encapsulated layer, the electric capacity chip appearance at four prisms cylinder provides the column structure basis, and cylindrical encapsulated layer can make things convenient for the follow-up colour circle operation that is coated with, make to be coated with the colour circle operation and can efficiently to carry out apace, therefore cylindric end cap structure has significant meaning.
As the result of process modification, the present invention adopts the encapsulating material of liquid resin, requires and application requirements such as the class of insulation in order to adapt to different marks, and the encapsulated layer after the shaping is individual layer, bilayer or sandwich construction.Encapsulated be connected electric capacity chip be the multi-layered ceramic electric capacity chip of 20-1000 layer.Certainly the ceramic capacitor that exceeds above-mentioned scope also can adopt above-mentioned just inserter structure.
The present invention further adopts following technical scheme to realize other purpose of the present invention: promptly a kind of process of making above-mentioned axial lead colour circle ceramic capacitor, this ceramic capacitor comprises lead-in wire, the electric capacity chip on the cylindric end cap that is connected the capacitor two ends, wherein, electric capacity chip comprises ceramic dielectric layer and is positioned at the electrode layer at two ends, it is characterized in that described process comprises following operation:
A. hatting operation: cylindric end cap and tinned wird are welded together, form the terminal cap parts of band lead-in wire;
B. add the cap operation: by the cap bag system, the end cap cover that band is gone between fits on the electrode layer at electric capacity chip two ends, forms capacitor axial lead matrix;
C. weld cap operation: the terminal cap parts and the electric capacity chip two end electrodes layer of band lead-in wire are welded together by melting welding in the high temperature;
D. seal operation: apply liquid encapsulating material at cylindric end cap and electric capacity chip appearance, then encapsulating material is made baking and curing, make the capacitor goods that are coated with cylindric encapsulated member;
E. test step: by Auto-Test System, test simultaneously is coated with the basic electric property of the capacitor goods of cylindric encapsulated member can parameter, removes defective item automatically;
F. mark the look operation: the capacitor goods that electrical property is qualified are coated colour circle, indicate its capacity parameter and error, then colour circle paint is made baking and curing;
G. braid operation: pin, tape package are counted, cut to the capacitor goods of finishing the mark look, obtain axial lead colour circle ceramic capacitor finished product.
The present invention by hatting, add operations such as cap, weld cap, realize and reinforced the mechanical connection between the two end electrodes layer of lead-in wire and end cap, terminal cap parts and ceramic capacitor and be electrically connected.Wherein, in described hatting operation, metal lead wire is to adopt tinned wird, by pressure welding method, welding formation metal homogeneous body between tinned wird and cylindric end cap body is connected.Pressure welding makes lead-in wire and metal between end cap form one all to be connected, and melting welding makes terminal cap parts and electric capacity chip two end electrodes layer all be connected by scolding tin formation one in the high temperature, and in adding the cap operation, the location of terminal cap parts, electric capacity chip put in place and cap bag takes synchronously the instantaneous method of finishing to reduce the damage of terminal cap parts for electrode layer surface.And the structure of cylindric end cap all provides a great convenience for the follow-up operations such as look and even braid of sealing, mark, make the insulation that to finish capacitor of the present invention efficiently, indicate function such as packing, produce the product of the present invention that use/assembly performance is greatly improved.
The liquid encapsulating material that the present invention adopts in sealing operation is liquid resin material, promptly adopting liquid resin material that cylindric end cap and electric capacity chip appearance are carried out individual layer, bilayer or multilayer coated, is once to finish sealing on the streamline to the coating-baking and curing of every layer of encapsulating material.The present invention adopts relative conventional powder encapsulating material to have the liquid resin material that application is simple and easy, the dry solidification temperature is lower, can form advantages such as ganoid cylinder encapsulated member fast and seals the ceramic capacitor surface, both having overcome conventional axial lead capacitance device surface needs drawbacks such as repeatedly application moulding, high-temperature baking, product appearance consistency difference, also helps down the coating of road colour circle operation.The liquid encapsulating material of the peculiar prescription of the present invention can accomplish once to be coated with outward promptly to finish outer sealing, and the disposable quality of sealing is very good.
Of the present invention sealing in the operation is to adopt water white liquid resin material to carry out internal layer to seal, and seals and adopt the different outer encapsulating material of proterties to carry out skin.Adopt water white liquid resin material as the internal layer encapsulating material, can utilize the insulation degree of the good insulation performance increase internal layer of the transparent liquid resin material of no filler, can be convenient to again observe the capacitor dielectric situation of monitoring under sealing in the technical process, grasp processing quality and progress.
Because last process of the present invention formed the cylinder encapsulated member, therefore be convenient to adopt following method and apparatus promptly in this mark look operation: the cylindric encapsulated member of capacitor goods and the coating that is loaded with colored paint are taken turns to rotate and are contacted and form colour circle; The colour circle of coating is more than 3 or 3, and wherein the 1st in the colour circle is thicker than other colour circle.The spin coated simultaneously of a plurality of coating wheel can form the multiple tracks colour circle simultaneously, improves the mark colour efficiency greatly.The multiple tracks colour circle is pressed the purpose that the decimal system indicates capacitance, discerns on being convenient in any direction.
Further, owing to adopt the liquid resin encapsulating material to replace dry solidification temperature height, need the application of repeated multiple times, the conventional solid powder attitude encapsulating material of sealing outward appearance consistency difference to coat the capacitor appearance, utilize series of process advantages such as the baking temperature bring thus is low, film-forming is quick, of the present invention seal that streamline comprises pipeline and more by this pipeline was communicated with one or overlap coating device and supporting baking oven thereof.Like this, outside the material base of process special equipment guarantees once, be coated with and seal outside promptly finishing, and can guarantee the disposable good result of sealing.
[description of drawings]
Fig. 1 is one of overall dimension schematic diagram of invention capacitor embodiment.
Fig. 2 is two of the overall dimension schematic diagram of invention capacitor embodiment.
Fig. 3 is structure master's schematic diagram of capacitor embodiment of the present invention.
Fig. 4 is the A-A cross-sectional schematic of Fig. 3.
Fig. 5 is for making the technological process schematic block diagram of capacitor of the present invention.
Fig. 6 is for making the structural representation block diagram of sealing streamline of capacitor of the present invention.
Fig. 7 applies the schematic diagram of wheel at encapsulated member surface mark colour circle for colored paint in the mark look operation.
Fig. 8 is the B-B cross-sectional schematic of Fig. 7.
[embodiment]
Embodiment
As shown in Figure 1, 2: for series of products embodiment of the present invention contour structure size, table one specific as follows, the size of letter in table representative sees the indication among Fig. 1,2 for details.
Table one
| Type | Size (mm) | |||||
| ????L | ????D | ??????????F(±0.6) | ????d | |||
| Single-layer type | ????3.5 ????Max | ????1.9 ????Max | ??5.08 | ??7.5 | ????10 | ????0.45±0.05 |
| Stack-up type | ????3.2 ????Max | ????2.1 ????Max | ??5.08 | ??7.5 | ????10 | |
Fig. 3,4 is the overall structure schematic diagram from inside to outside that colour circle of the present invention indicates ceramic capacitor embodiment, as seen from the figure: this ceramic capacitor comprises and is positioned at these ceramic capacitor two ends and is in lead-in wire 1, cylindric end cap 2 and electric capacity chip on the same rectilinear direction, wherein, lead-in wire 1 is the copper lead-in wire that has tin coating.Electric capacity chip comprises ceramic dielectric layer 4 again and is positioned at the electrode layer 3 at ceramic dielectric layer 4 two ends, end cap 2 for band end socket 2-0, the cross section be the cylindrical shell of circle.Lead-in wire 1 directly is connected on the end socket 2-0 of end cap 2, and end cap 2 has tin coating, and this tin coating is welding in heating on the end face and side of electrode layer 3 at electric capacity chip two ends.On end cap 2 and electric capacity chip, has cylinder encapsulated layer 5; Cylinder encapsulated layer 5 is a four-layer structure.Electric capacity chip is the multi-layered ceramic electric capacity chip of 20-1000 layer.On cylinder encapsulated layer 5, scribble the three circle colour circles 6 that indicate capacitance, in the colour circle 6 than other colour circle thick be the 1st colour circle, the 1st colour circle width is other several 1.5 times approximately, is followed successively by second colour circle, second colour circle from first colour circle.Wherein the implication that referred to of each bar colour circle is shown in following table two.
Table two
| Nominal capacity (PF) | |||
| First colour circle | Second colour circle | The 3rd colour circle | |
| First numeral | Second numeral | The 3rd numeral | |
| Black | ????0 | ????0 | ??????X?10 0(1) |
| Palm fibre | ????1 | ????1 | ?????X?10 1(10) |
| Red | ????2 | ????2 | ????X?10 2(100) |
| Orange | ????3 | ????3 | ???X?10 3(1000) |
| Yellow | ????4 | ????4 | ??X?10 4(10000) |
| Green | ????5 | ????5 | ?X?10 5(100000) |
| Blue | ????6 | ????6 | X?10 6(1000000) |
| Purple | ????7 | ????7 | |
| Ash | ????8 | ????8 | |
| In vain | ????9 | ????9 | |
| Gold | ????- | ????- | ????X?10 -1(0.1) |
| Silver | ????- | ????- | ????X?10 -2(0.01) |
Technological process embodiment
As shown in Figure 5: for the present invention makes the process embodiment of above-mentioned axial lead colour circle ceramic capacitor, process embodiment of the present invention comprises following operation:
A. hatting operation: by the Pressure Welding welding system, cylindric end cap and tinned wird are welded together, form the terminal cap parts of band lead-in wire; Axial lead colour circle ceramic capacitor is adopted the tin-coated copper lead-in wire, make that the lead-in wire of finished product is more pliable and tougher, more anti-bending.On circuit board, can produce the clubfoot distance littler, be convenient to the miniaturization final assembly than traditional axial lead ceramic capacitor.
B. add the cap operation: by special cap bag system, the end cap cover that band is gone between fits on the electrode layer at electric capacity chip two ends, forms capacitor axial lead matrix;
C. weld cap operation: the terminal cap parts and the electric capacity chip two end electrodes layer of band lead-in wire are welded together by melting welding in the high temperature;
Process of the present invention will go between earlier and be connected with the method for cap with socket, adopt distinctive " adding the cap technology " more promptly in adding the cap operation, the location of the terminal cap parts of band lead-in wire, electric capacity chip put in place and each action of cap bag is finished synchronously, thereby reduce the damage of terminal cap parts for electrode layer surface.Molten soldering in carrying out after being enclosed within the end cap of band lead-in wire on the electric capacity chip termination.The axial lead ceramic capacitor more traditional through the pulling force between feasible lead-in wire of above technology and cap is strong, improved mechanical performance of products, overcome traditional Leaded Ceramic Disc Capacitor product when lead-in wire clubfoot flex point during near the termination, cause easily the lead end cephalic slit from drawback, the qualification rate when having improved automatic insertion.
D. seal operation: apply liquid encapsulating material at cylindric end cap and electric capacity chip appearance, then encapsulating material is made baking and curing, make the capacitor goods that are coated with cylindric encapsulated member; Adopt the liquid state of original creation to seal material formula to axial lead colour circle ceramic capacitor, can accomplish once to be coated with outward to finish outer sealing, and the disposable quality of sealing is very good, has overcome the repeatedly drawback of application moulding of conventional axial lead capacitance.Thereby have characteristics such as high stable, high accuracy, thin space, protection against the tide and shock resistance are good, and properties of product are more stable, and volume is little, and outward appearance is even, high conformity, and application is more extensive.
E. test step: by Auto-Test System, test simultaneously is coated with the basic electric property of the capacitor goods of cylindric encapsulated member can parameter, removes defective item automatically;
F. mark the look operation: the capacitor goods that electrical property is qualified are coated colour circle, indicate its capacity parameter and error, then colour circle paint is made baking and curing;
G. braid operation: pin, tape package are counted, cut to the capacitor goods of finishing the mark look, obtain axial lead colour circle ceramic capacitor finished product.
Be liquid resin material at the described encapsulating material that adopts in the operation of sealing, form individual layer, bilayer or multi-layered enveloped layer, and be once to finish sealing on the streamline the coating-baking and curing of every layer of encapsulating material thereby apply this encapsulating material.
The water white liquid resin material that adopts in sealing operation applies and obtains internal layer and seal, and the outer encapsulating material that adopts proterties to be different from the internal layer encapsulating material applies and obtains skin and seal.
Process of the present invention adopts the liquid state of original creation to seal material formula, can be coated with once outward and promptly finish outer sealing, and has overcome the conventional axial lead capacitance and has sealed the repeatedly drawback of application moulding of material.And axially the disposable package quality of colour circle lead-in wire multilayer ceramic capacitor product is very good;
The technological process of production of axial lead colour circle ceramic capacitor of the present invention is full automatic, one-shot forming, efficient, highly reliable, environmental protection.The production procedure that has solved traditional axial lead ceramic capacitor is loaded down with trivial details, complex process, an inefficient difficult problem.Compare with the conventional axial lead capacitance, production Technology and raw material are different, and product cost is lower, performance is more stable.
As shown in Figure 6: the streamline of sealing of the present invention comprises pipeline 7 and the quadruplet coating device 8-1 that is communicated with by this pipeline 7,8-2,8-3,8-4 and supporting baking oven 9-1 thereof, 9-2,9-3,9-4.Arrow is represented the throughput direction of pipeline 7 among Fig. 4.The above-mentioned streamline of sealing is coated with outside the material base of process special equipment guarantees once and seals outside promptly finishing, and guarantees the disposable good result of sealing.
Shown in Fig. 7,8: in mark look operation, three coating wheel 10-1,10-2,10-3 that are loaded with colored paint rotate the cylindric encapsulated member 5 of contacting capacitor goods simultaneously and form three colour circles 6; Wherein the 1st in the colour circle is thicker than other colour circle.The marker method of this axial lead colour circle ceramic capacitor is to paint with colored ring-type to represent capacitance and capacity error, and there is not directivity in mark, and identification easily is easy to detect and maintenance, fully is fit to the whole machine installation demand.Owing to first " colour circle sign " has been applied to lead-in wire ceramic capacitor field, overcome the drawback that conventional axial lead-in wire colour circle ceramic capacitor can not use colour circle to indicate.
Claims (10)
1, a kind of axial lead colour circle ceramic capacitor, this ceramic capacitor comprises lead-in wire (1) and the electric capacity chip that is positioned at these ceramic capacitor two ends, wherein, the described lead-in wire (1) that is positioned at these ceramic capacitor two ends is on the same rectilinear direction, described electric capacity chip comprises ceramic dielectric layer (4) again and is positioned at the electrode layer (3) at ceramic dielectric layer (4) two ends, it is characterized in that, described lead-in wire (1) directly is connected on the end cap cylindraceous (2), and described end cap (2) is positioned at these ceramic capacitor two ends and is connected on the electrode layer (3) at described electric capacity chip two ends; On described end cap (2) and electric capacity chip, has encapsulated layer (5); Scribble many colour circles (6) that indicate capacitance on described encapsulated layer (5), one of them of described colour circle (6) is thicker than other colour circle.
2, axial lead colour circle ceramic capacitor as claimed in claim 1 is characterized in that, described lead-in wire (1) is the copper lead-in wire that has tin coating.
3, axial lead colour circle ceramic capacitor as claimed in claim 1 or 2 is characterized in that, described end cap (2) has tin coating, and this tin coating is welding in heating on the electrode layer (3) at described electric capacity chip two ends.
4, axial lead colour circle ceramic capacitor as claimed in claim 1 or 2 is characterized in that, described electric capacity chip is the multi-layered ceramic electric capacity chip of 20-1000 layer; Described encapsulated layer (5) is individual layer, bilayer or sandwich construction.
5, a kind of process of making axial lead colour circle ceramic capacitor as claimed in claim 1, this ceramic capacitor comprises lead-in wire, the electric capacity chip on the cylindric end cap (2) that is connected the capacitor two ends, wherein, electric capacity chip comprises ceramic dielectric layer (4) and is positioned at the electrode layer (3) at two ends, it is characterized in that described process comprises following operation:
A. hatting operation: cylindric end cap (2) and metal lead wire (1) are welded together, form the terminal cap parts of band lead-in wire;
B. add the cap operation: will fit on the electrode layer (3) at electric capacity chip two ends with end cap (2) cover of lead-in wire, form capacitor axial lead matrix;
C. weld cap operation: the terminal cap parts and the electric capacity chip two end electrodes layer (3) of band lead-in wire (1) are welded together by melting welding in the high temperature;
D. seal operation: apply liquid encapsulating material at cylindric end cap (2) and electric capacity chip appearance, then encapsulating material is made baking and curing, make the capacitor goods that are coated with cylindric encapsulated member (5);
E. mark the look operation: coat colour circle (6) at above-mentioned capacitor goods, indicate its capacity parameter and error, then colour circle paint is made baking and curing;
6, as the process of manufacturing axial lead colour circle ceramic capacitor as described in the claim 5, it is characterized in that, in described hatting operation, described metal lead wire (1) is to adopt tinned wird, by pressure welding method, welding between described tinned wird (1) and described cylindric end cap (2) body is formed the metal homogeneous body be connected.
7, as the process of manufacturing axial lead colour circle ceramic capacitor as described in claim 5 or 6, it is characterized in that, be liquid resin material at the described liquid encapsulating material that adopts in the operation of sealing, the described operation of sealing adopts liquid resin material that cylindric end cap (2) and electric capacity chip appearance are carried out individual layer, bilayer or multilayer coated, is once to finish sealing on the streamline to the coating-baking and curing of every layer of encapsulating material.
8, as the process of manufacturing axial lead colour circle ceramic capacitor as described in claim 5 or 6, it is characterized in that, described sealing in the operation is to adopt water white liquid resin material to carry out internal layer to seal, and seals and adopt the different outer encapsulating material of proterties to carry out skin.
9, as the process of manufacturing axial lead colour circle ceramic capacitor as described in claim 5 or 6, it is characterized in that, described process also comprises test step, this operation can parameter be carried out full test to the basic electric property of capacitor goods with cylindric encapsulated member (5), removes defective item then automatically.
10, as the process of manufacturing axial lead colour circle ceramic capacitor as described in claim 5 or 6, it is characterized in that, described process also further comprises the braid operation, this braid operation is that pin, tape package are counted, cut to the capacitor goods of finishing the mark look, obtains axial lead colour circle ceramic capacitor finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101123763A CN100479075C (en) | 2003-11-28 | 2003-11-28 | Axial lead color wheel porcelain capacitor and manufacturing technological process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101123763A CN100479075C (en) | 2003-11-28 | 2003-11-28 | Axial lead color wheel porcelain capacitor and manufacturing technological process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622239A true CN1622239A (en) | 2005-06-01 |
| CN100479075C CN100479075C (en) | 2009-04-15 |
Family
ID=34759731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101123763A Expired - Lifetime CN100479075C (en) | 2003-11-28 | 2003-11-28 | Axial lead color wheel porcelain capacitor and manufacturing technological process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100479075C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609301A (en) * | 2016-03-06 | 2016-05-25 | 王强 | Paint capable of shielding chromatic circle inductor and process for coating chromatic circle inductor |
-
2003
- 2003-11-28 CN CNB2003101123763A patent/CN100479075C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609301A (en) * | 2016-03-06 | 2016-05-25 | 王强 | Paint capable of shielding chromatic circle inductor and process for coating chromatic circle inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100479075C (en) | 2009-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6411029B1 (en) | Plastic shaped body with an integrated optoelectronic luminous element | |
| CN203631319U (en) | Laminated ceramic electronic component and braid electronic component string | |
| CN1748270A (en) | Protecting resin-encapsulated components | |
| CN1257598A (en) | Method for making chip card and the like | |
| CN1324620C (en) | Method and device for mfg. tantalum solid electrolytic capacitor | |
| CN103682030A (en) | LED, LED device and LED manufacture technology | |
| CN108109841A (en) | Stacked capacitor and manufacturing method | |
| CN1622239A (en) | Axial lead color wheel porcelain capacitor and manufacturing technological process thereof | |
| CN103247740A (en) | Package for optical semiconductor device and manufacturing method thereof, optical semiconductor device and manufacturing method thereof | |
| KR20190040964A (en) | Solar cell module | |
| CN206490092U (en) | Pouring type LED Anti-explosion light sources module and explosion-proof lamp | |
| CN107079583A (en) | For transmission control module, the method for the TCU components that are used in this transmission control module and for manufacturing this transmission control module used in the medium of pollution | |
| CN100554773C (en) | A kind of LED light fixture that has heat-dissipating aluminium plate | |
| CN2671099Y (en) | Ceramic media capacitor marked by color rings | |
| CN102789830A (en) | Cable for stranded conductor longitudinal pressure-resisting sealing oil-submerged pump and manufacturing method thereof | |
| CN207602404U (en) | Stacked capacitor | |
| CN202736555U (en) | Longitudinally pressure-resistant sealing oil-submerged pump cable with stranded conductor | |
| CN210136871U (en) | Multilayer chip packaging structure | |
| CN1835211A (en) | Circuit board of electronic device and mfg method thereof | |
| CN203351647U (en) | Led packaging structure | |
| CN2697798Y (en) | Insulation sleeve for leading wire of electric appliance | |
| CN206349611U (en) | Automobile communication wire harness | |
| CN114551686A (en) | Process method for solving problem of inconsistent color of glue-coated ink on surface of mini LED COB | |
| CN111106102A (en) | Novel LED light source structure and manufacturing method thereof | |
| CN201386942Y (en) | Novel LED string lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG FENGHUA ADVANCED TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGDONG FENGHUA HIGH SCIENCE + TECHNOLOGY GROUP CO., LTD. Effective date: 20071228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20071228 Address after: Fenghua City, Fenghua Road, Fenghua City, Guangdong Province, Zhaoqing 18, China: 526020 Applicant after: Guangdong Fenghua Advanced Technology Holding Co.,Ltd. Address before: Fenghua City, Fenghua Road, Fenghua City, Guangdong Province, Zhaoqing 18, China: 526020 Applicant before: GUANGDONG FENGHUA AT HOLDING |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |