CN1182490A - Memory card and method of producing same - Google Patents
Memory card and method of producing same Download PDFInfo
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- CN1182490A CN1182490A CN 95197831 CN95197831A CN1182490A CN 1182490 A CN1182490 A CN 1182490A CN 95197831 CN95197831 CN 95197831 CN 95197831 A CN95197831 A CN 95197831A CN 1182490 A CN1182490 A CN 1182490A
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Abstract
The invention relates to a memory card and its method of manufacture. The memory card has a flexible substrate, a first conductive ink composition which is adhered thereto, and a second conductive ink composition which is printed over at least a portion of the first conductive ink composition to form at least one site on the memory card which is readable by an external reader device. A protective layer is provided to overlie and protect at least the one site of the memory card.
Description
The present invention relates to be used to and distribute goods and/or service as this class storage card of advanced charge card with make a kind of of this card and improve one's methods.
Allow its holder not in cash or the payment in advance storage card bought of mark very general.This card has been used for obtaining various foods and/or service, for example, is used in the vending machine of beverage or food, is used in the expense such as the public transport of for example prepaying motorbus, train or sub., or is used in public telephone or the duplicating machine.
Usually, storage card is with a predetermined monetary value purchase that exists in the card, and reduces its monetary value when it uses.These storage cards continue to use the monetary value of prepayment in card to exhaust.In case the monetary value in the card is run out by the user, this card or store again or be abandoned.
The storage card that uses can be divided into three major types now: magnetic is read card, microcircuit card and contactless card.The outside surface that magnetic is read card has a tape to store for example information of the surplus value of card.Their advantage is not too expensive, and successfully practical, for example the fare card of traffic system.Yet this card is owing to safety, and use is restricted as prepaid card.Exist the magnetic code information in the card may be wiped unintentionally or be revised to increase the unit that exists originally on the card intentionally by the person of going beyond one's commission.
Microcircuit card has a memory device, and for example an integrated circuit or a P.e.c. that is contained in the card by suitable electrically contacting, can be received an outside read-out device to determine the surplus value in the card.The example of this microcircuit card can be at people's such as United States Patent (USP) Mollet No.4, sees in 737,620 and people's such as Hara No.4,719,140.Though it is read than magnetic, and card is more anti-to be altered, its shortcoming be manufacture quite expensive.Therefore they not too are suitable for the occasion of currency smaller value.
Contactless card does not need to do any contacting physically with outside read-out device.What replace is that contactless card use provides the signal of the monetary value in the indicating card for outside read-out device as inductance and/or capacitive coupling.The example of this contactless card can be at people's such as United States Patent (USP) Honore U.S.PatentNo.5,272,596 and Brazilian patent PI 91005585 and PI 9201380 in see.
No matter that class prepayment storage card, a limiting factor when the actual use of decision is its corresponding cost.Generally, the prepayment storage card only is only practicality in the monetary value of card representative greater than the place of the price of card itself.So, if reduce the cost of card, just make existing advanced charge card in many application, for the distribution than low-denomination (be total monetary value less) card provides possibility, and opened up the quantity of the potential application of payment in advance storage card.
Yet manufacturer faces a very great challenge when reducing the expense of making storage card and don't sacrificing overall performance, reliability and life-span.In addition, the essence of material and present manufacturing technology also make storage card sclerosis or fragile.Thereby storage card is bent when common use, will cause the local ruined danger of storage card.As a result, storage card wears out prematurely or becomes and can not use.
Consider above-mentioned background, an object of the present invention is to produce storage card with low overall expenses.
Another purpose of the present invention provides improved, a reduction expense and has good reliability and the storage card in life-span.
According to the present invention, the complex that stamps conductive ink on a storage card forms conducting position or unit, to realize above-mentioned these and other purpose, performance, and advantage.According to the present invention, storage card has the substrate of a softness, and the conductive loop that provides position, at least one place to form a closure on card in card is responded to the current flowing that takes place for outside read-out device.First kind of prepared Chinese ink complex that each position is contained in the presumptive area at position forms the second portion of closed conductive loop with the first that forms closed conductive loop with at suprabasil second kind of prepared Chinese ink complex, and this second portion determines that the meltability that can interrupt closed conductive loop connects.Preferably there is layer protective layer to cover and protect these ink layers.
Printed mark is preferably in the front of storage card and/or the back side with the attractive force that strengthens storage card and operation instruction is provided.
Substrate can be used soft thermoplastic polymer manufacturing, as acrylonitrile-butadiene-styrene (ABS), and polyethylene terephthalate or Polyvinylchloride.But the another kind of material of making substrate is the atresia paper of serigraphy.The substrate of recommending provides fabulous life-span and reliability for storage card.And, these cards have good flexibility allow the holder when using and/or depositing to all directions bending almost to 180 ° and unlikely harm or destroy storer.As a result, storage card can be stood high-intensity abuse and still finish the function that it provides, till the monetary value that exhausts it.
In one embodiment of the invention, design makes first kind of storage card and second kind of prepared Chinese ink complex that " unit " of certain preassigned value of storing predetermined quantity is provided, and, one by one and for good and all reduce the quantity of unit when storage card is used when " using up " with the value of unit.Preferably storage card has the position or the unit read with an outside read-out device of being suitable for of many dispersions.Each position on the storage card can irreversibly be transformed into second kind of readable state from first kind of readable state.The ability of this irreversible conversion allows storage card to be cut down when a kind of safety, tamper-proof manner use.
The most handy effectively low expense method of said memory card is made, and storage card can be obtained use widely and keeps its high-performance.Particularly preferable methods is included in the lip-deep presumptive area of substrate of a softness and stamps first kind of magnetic conductive prepared Chinese ink complex to form the first of closed conductive loop.First kind of magnetic conductive prepared Chinese ink complex is dried to remove solvent wherein and to guarantee for good and all attached in the substrate.Then, second kind of conductive ink complex of printing and first kind of conductive ink complex electrically contact.Second kind of conductive ink complex forms a hot solubility and connects finishing closed conductive loop, and the first of it and closed conductive loop forms the position that outside read-out device can be read on card.In case second kind of ink layers sufficiently dry just covers and protects these positions with the protection sealant.
First kind of magnetic conductive prepared Chinese ink complex contains the polymkeric substance adhesive, and conductive filler wherein is magnetic.Silver-nickel alloy bits are a kind of suitable magnetic conductive fillers.
Second kind of conductive ink complex also contains the polymkeric substance adhesive, and conductive filler is wherein arranged.Filler contains thermal stability or the fusing point that low melting point conducting metal composition has the prepared Chinese ink complex to be lower than first kind of conductive ink complex.As a result, second kind of conductive ink complex just softening and contraction when being heated to an evaporating temperature.Therefore, second kind of conductive ink is used for forming the meltability connection at position, and its allows storage card to make the position irreversibly be transformed into second kind of readable state from first kind of readable state by an outside read-out device in use.Conductive filler in second kind of prepared Chinese ink complex can be, for example, and the sheet of nickel-silver alloy bits or powder and low-melting-point metal compound, the sheet bits or the powder of the scolder of making as tin-lead alloy or other alloys or eutectic compound.
Fig. 1 is the front view according to a storage card of the present invention;
Fig. 2 A is the card section along the line 2-2 of Fig. 1, shows the figure at the thermoplastic polymer based end of a softness;
Fig. 2 B is the card section along the line 2-2 of Fig. 1, shows the figure of an atresia paper substrates;
Fig. 3 is a card front view during fabrication, demonstrates first kind of conductive ink and is imprinted on substrate surface by preset pattern;
Fig. 4 is similar with Fig. 3, demonstrates second kind of prepared Chinese ink and is imprinted on first kind of conductive ink by preset pattern;
Fig. 5 is the top plan view of a unit on the storage card, demonstrates the unit and is in its first kind of readable state;
Fig. 6 is the top plan view of the unit looked of Fig. 5, and outside read-out device is in second kind of not readable state after reducing by one when it.
After this, with reference to accompanying drawing corresponding, that show the preferred embodiments of the present invention, the present invention is done narration more fully.Yet the present invention can implement with different forms, and its structure should not be limited to the embodiment of narration here; But, provide these embodiment just for the explanation complete sum that makes this patent is abundant, and will convey to the expert to the category of invention fully.Same element is entirely with same numbering.
In accordance with the embodiments illustrated, provide a contactless chip card 10 with the collaborative softness of using of reader device, the invention among the similar Brazilian patent No.PI 9201380 for reference of reader device here.As described in explaining more fully later on, this storage card has many readable positions, and read-out device design makes the circumstance or state at its readable position of perception, and determines to remain in the monetary value on the card thus.
As shown in Figure 1, storage card 10 is normally with the rectangular shape of fillet.The overall dimensions of storage card 10 approximately is that 8.55cm (3.36 inches) takes advantage of 5.39cm (2.12 inches), about 12 to 14 Mills (mil) of thickness.The front of storage card 10 and/or the back side are printed on symbol word marking and/or the design picture shown in 11.
Shown in Fig. 3 and 4, storage card 10 has the substrate 12 of a softness, and at least one, preferably a plurality of readable positions or unit are often referred to and are shown 14. each readable position 14 and form closed conductive loops (representing with arrow among Fig. 5) for external pulse generator or the circulation of read-out device induction current on the surface 12 of card.Position 14 is to be caused by the presumptive area that first kind of prepared Chinese ink complex that one deck has good magnetic and electric conductivity is coated in substrate, be often referred to and be shown 16, in substrate, coat second kind of prepared Chinese ink complex again and the part of presumptive area 16 is covered meltability connection of formation, be often referred to and be shown 18.Second kind of prepared Chinese ink complex has the favorable conductive characteristic.Layer protective layer 20 (Fig. 1 and 2) covers and protects first kind and second kind of prepared Chinese ink complex, and the surface of a friction resistant is provided for storage card 10 simultaneously.Also can be as shown in Figure 1 on the protective seam, indicate 11 in offset printing or the photoetching, with the attractive force that increases storage card 10 be that the user of card provides necessary explanation.
Shown in Fig. 2 A, in one embodiment of the invention, substrate 12 is by a kind of durable, soft thermoplastic polymer, and as acrylonitrile-butadiene-styrene (ABS), polyethylene terephthalate or Polyvinylchloride are made.Another way, shown in Fig. 2 B, substrate 12 is to make by suitable weight and through the paper of surface working.Best is, paper substrates has through press polish, and atresia almost is suitable for the finished surface of serigraphy.The thickness of the substrate 12 that present embodiment is selected for use be approximately 0.3mm+/-0.02mm.
First kind and second kind of prepared Chinese ink complex respectively contain one deck to be had conductive filler to be dispersed in polymkeric substance adhesive wherein and suitable releases rare dose or solvent, makes the prepared Chinese ink complex keep suitable viscosity so that can do soon after printing and the printing.Best, the polymkeric substance adhesive is a kind of thermoplastic resin material, for example, and a kind of acrylic resin.Technical many inserts that becomes known for the conductive ink complex can serve as the prepared Chinese ink complex here.
The inserts that is used for first kind of conductive ink complex possesses magnetic and satisfactory electrical conductivity simultaneously.Prepared Chinese ink complex preferably fusing point has than higher thermal stability than the presumptive area 16 that higher material makes the dried back of prepared Chinese ink complex be formed by the prepared Chinese ink complex.Nickel-silver strip shape bits pigment is suitable for as the magnetic conductive packing material.In second kind of prepared Chinese ink complex, use a kind of low melting point packing material, make meltability connect 18 and cause by prepared Chinese ink complex with low thermal stability, and softening and shrink when heating, connect 18 conductive loops that cause so that interrupt by meltability.The potpourri of silver strip bits and low-melting-point metal such as tin/plumbous low-melting alloy solder powder is suitable for.
According to illustrated method, first kind of prepared Chinese ink complex can adopt the nickel-silver strip shape bits of about 81% fine silver to be dispersed in the polypropylene thermoplastic resin binder.Must the time can make the prepared Chinese ink complex that the denseness that is suitable for printing be arranged as releasing rare dose or solvent with the butyl glycol ester.For serigraphy, prepared Chinese ink complex the best has Bu Shi (Brooksfield) viscosity of about 15000mPaS.After the printing, the prepared Chinese ink complex is dried in stove.The presumptive area 16 of the conductive ink that first kind of prepared Chinese ink complex forms preferably 25 micron thickness has the sheet resistivity of 0.010ohms/sq.
According to illustrated method, second kind of conductive ink complex can adopt solids content about 77%, wherein silver strip consider to be worth doing about 60%, tin about 10%, plumbous about 7%.All the other percentages of second kind of prepared Chinese ink complex are thermoplastic resin adhesives, and for example polypropylene resin and butyl glycol ester are released rare dose or solvent.In order to be used for serigraphy, second kind of prepared Chinese ink complex preferably has than the lower viscosity of first kind of prepared Chinese ink complex and than first kind of prepared Chinese ink complex and is coated in regional less and thinner on the substrate surface.Second kind of prepared Chinese ink complex the best has Bu Shi (Brooksfield) viscosity of about 22000mPaS.The presumptive area 18 of the conductive ink that second kind of prepared Chinese ink complex forms preferably 25 micron thickness has the sheet resistivity of 0.060ohms/sq.Low-melting tin and lead composition make meltability be connected 18 to have the presumptive area that forms than first kind of conductive ink complex 16 lower fusing point or thermal stability.Be heated when meltability connects 18, for example enough big induction current passes through, and meltability connects 18 and will soften and fusion.The wet characteristic of capillary force and/or second kind of prepared Chinese ink complex makes meltability connect 18 to shrink when fusion or push open, thereby interrupted connecting the 18 closed conductive loops that form by meltability, irreversibly make unit 14 be transformed into second kind of readable state shown in Figure 6 thus from first kind of readable state shown in Figure 5.
Fig. 3 illustrates a suitable method making card 10 to Fig. 5.As shown in Figure 3, first kind of prepared Chinese ink complex is coated in substrate 12 lip-deep presumptive areas 16 with silk screen print method.The silk screen equipment that is used to make card 10 has one to be the wire netting of #120 at least.Here the rubber rollers of usefulness or film (not shown) preferably have at least 65 Shore hardness (shoreD) well to transmit and realize first kind and second kind of uniform layer of prepared Chinese ink with first kind of prepared Chinese ink complex and the second kind of prepared Chinese ink complex that guarantees low dissolving.Here the size that should understand net and sheet depends on, and can change according to used first kind and second kind of prepared Chinese ink and other factors.
As shown in the figure, open center zone 22 of presumptive area 16 definition, the shank that it has a key hole shape usually and separates in opposite directions, they extend along the opposite side in key hole shape open center zone.This open center zone 22 is nonconducting.Between each unit 14, extend a long open area 23, prevent that with it material is in contact with one another.So presumptive area 16 forms the first of the closed conductive loop shown in the arrow among Fig. 5.
Can see among the figure, the ranks arrangement is pressed so that produce the interaction of magnetic between the corresponding arrangement reader position on card and the outside read-out device in many independently positions 14, and the quantity at position and their tissues on card are according to the purposes of card and predetermined.
After first kind of conductive ink complex pattern on request was coated in substrate 12, first kind of prepared Chinese ink was dried.More than mentioning and making a feasible method of first kind of conductive ink complex drying is that it is placed in the stove, is to place 15 minutes between 90 ° to 120 ° in temperature.Heating makes the solvent evaporates that exists in first kind of conductive ink complex like this.In case the presumptive area 16 that obtains after the drying be magnetic and have electrical sheet resistance less than 0.01 ohm every square.Dispose first kind of conductive ink complex and can also be placed on the medium-term and long-term drying of air, the also result that can be needed equally to it.
Second kind of conductive ink complex coating procedure expression well in Figure 4 and 5.Second kind of prepared Chinese ink complex is to be imprinted on the structure in the presumptive area 16 with silk screening.Second kind of prepared Chinese ink complex forms meltability and connects 18, it conductively first kind of prepared Chinese ink complex of cover part make meltability connect long narrow slot part across open center zone 24.After the coating, second kind of conductive ink complex can carry out drying with reference to first kind of prepared Chinese ink complex like that by above-mentioned identical method.
Meltability connects the remainder of the closed conductive loop of 18 formation.Shown in arrow among Fig. 5, the direction of current of outside read-out device induction generally is the circular closure magnetic strength loop around position 14.When position 14 affords an electromagnetic field pulse, produce an electric current temperature at position is risen.Position 14 heat is during to sufficiently high evaporating temperature, and it is 18 softening and shrink that meltability connects, thereby interrupted faradic closed conductive loop.The result that closed conductive loop interrupts makes position 14 irreversibly be transformed into second kind of readable state shown in Figure 6 from first kind of readable state shown in Figure 5.
Though only explained a position 14 on the card face, be appreciated that storage card 10 has many such positions, basically by column-row arrangement.Coat layer protective layer 20 then to cover and to seal numerous positions 14.Protective seam 20 can, the analogy it is pressed in the substrate 12 with suitable adhesive by the thin layer of making in advance.Other method is that protective seam suppose that by a kind of complex of suitable hardness the overlay of epoxy resin complex is formed, and covers the print surface of substrate.Printed mark can be added to the front and/or the back side of storage card 10 with offset printing or lithographic printing then, with the attractive force that increases card and/or be that its use furnishes an explanation.
The storage card 10 of Zhi Zaoing is inserted into an outside induction read-out device according to the method described above, for example at each position 14 of determining like that described in the Brazilian patent Brazilian Patent Specification No.PI 9210380 in the card.As shown in the Figure 4 and 5, the position be originally be in initial, do not cut down state, wherein to connect 18 be in succession to meltability.For the value that card is cut down a unit, meltability connection 18 is melted and disconnects.Outside read-out device is finished this process with electric current of induction in position 14, and current concentration connects 18 places to meltability makes the softening and contraction of connection, interrupts closed conductive loop thus.Position 14 irreversibly is transformed into second kind of readable state as shown in Figure 6 at this point.
Outside read-out device can detect the difference between a position 14 that is in first kind of readable state and the position that is in second kind of readable state.In this way, read-out device can determine to be in the quantity at first kind of readable state position, to find out the monetary unit quantity of the value that remains on the card." used up " when the monetary unit quantity of a value, read-out device just makes a position be transformed into second kind of readable state with fusion, even meltability connects 18 softening and contractions.Till storage card 10 can use its all position and all cuts down in the above described manner.
Utilize the description of front and the skilled person of the contained technology of accompanying drawing the present invention can find out many variations of the present invention and other embodiments.Therefore, be interpreted as the invention is not restricted to specific disclosed embodiment.Though used specific term, just on general and meaning narration, use and be not purpose, these variations and being included in the category of claims in order to limit.
Claims (36)
1. storage card comprises:
A slice substrate;
At at least one position in the above-mentioned substrate is that the electric current that an outside read-out device induction produces forms the closed conductive loop in above-mentioned card, and the position comprises:
First kind of conductive ink complex forms the first of closed conductive loop in the presumptive area at above-mentioned position; With
Second kind of conductive ink complex forms the second portion of above-mentioned closed conductive loop and determines that a meltability connects, and above-mentioned closed conductive loop is interrupted.
2. a storage card as described in claim 1, wherein above-mentioned second kind of conductive ink complex comprises the thermoplastic synthetic of a thermal shrinkage, and when being heated to an evaporating temperature, it will soften and shrink to interrupt above-mentioned closed conductive loop.
3. a storage card as described in claim 2, wherein above-mentioned second kind of conductive ink complex comprises a kind of polymkeric substance adhesive that contains conductive filler.
4. a storage card as described in claim 3, wherein above-mentioned conductive filler contains silver, tin, and plumbous.
5. a storage card as described in claim 3, wherein above-mentioned first kind of conductive ink complex also comprises a kind of polymkeric substance adhesive that contains conductive filler, and than second kind of conductive ink complex higher thermal stability arranged.
6. a storage card as described in claim 5, the conductive filler in wherein above-mentioned first kind of prepared Chinese ink complex contains nickel-silver alloy.
7. a storage card as described in claim 1, wherein above-mentioned substrate comprises the thermoplastic polymer sheets of a softness.
8. a storage card as described in claim 1, wherein above-mentioned substrate comprises an atresia paper.
9. the additional one deck of a storage card as described in claim 1 is pressed together on the film of above-mentioned substrate, to form the protective seam that covers and protect above-mentioned position.
10. a storage card as described in claim 1 comprises that also one deck is pressed together on the epoxy resin layer of above-mentioned substrate, to form the protective seam that covers and protect above-mentioned position.
11. a storage card as described in claim 1, the thickness of wherein above-mentioned substrate and above-mentioned first kind and second kind conductive ink complex composition is that 12 Mills (mil) are between 14 Mills (mil).
12. a storage card comprises:
The substrate of a slice softness;
At above-mentioned suprabasil many positions, each position can be read with an outside read-out device, and each above-mentioned position comprises:
First kind of magnetic conductive prepared Chinese ink complex is coated in the above-mentioned suprabasil presumptive area;
Second kind of magnetic conductive prepared Chinese ink complex contacts and forms a meltability with above-mentioned first kind of magnetic conductive prepared Chinese ink complex conduction and be connected, it can be melted by the electric current that an outside read-out device causes and destroy, so that make the position be transformed into second kind of readable state from first kind of readable state thus; With
One deck covers and protects the protective seam of above-mentioned first kind and second kind conductive ink complex.
13. a storage card as described in claim 12, wherein above-mentioned second kind of conductive ink complex comprises the thermoplastic synthetic of a thermal shrinkage, and when being heated to an evaporating temperature, it will soften and shrink.
14. a storage card as described in claim 13, wherein above-mentioned second kind of conductive ink complex comprises a kind of polymkeric substance adhesive that contains conductive filler.
15. a storage card as described in claim 14, wherein above-mentioned conductive filler contains silver, tin, and plumbous.
16. a storage card as described in claim 12, wherein above-mentioned first kind of magnetic conduction prepared Chinese ink complex also comprises a kind of polymkeric substance adhesive that contains conductive filler, and has than above-mentioned second kind of thermal stability that the conductive ink complex is higher.
17. a storage card as described in claim 16, the above-mentioned conductive filler in wherein above-mentioned first kind of prepared Chinese ink complex contains nickel-silver alloy.
18. a storage card as described in claim 12, wherein above-mentioned substrate comprises the thermoplastic polymer sheets of a softness.
19. a storage card as described in claim 12, wherein above-mentioned substrate comprises an atresia paper.
20. comprising one deck, a storage card as described in claim 12, wherein above-mentioned protective seam be pressed together on above-mentioned substrate to cover and to protect the film of the protective seam at above-mentioned position.
21. a storage card as described in claim 12, wherein above-mentioned protective seam comprises one deck epoxy resin layer.
22. a storage card comprises:
A slice substrate;
Many positions are provided in above-mentioned substrate, and each position is that the electric current that an outside read-out device induction generates forms the closed conductive loop in card, and each above-mentioned position comprises:
Determine a structure that open center zone and the shank of separating are in opposite directions arranged at the surface of above-mentioned substrate first kind of magnetic conductive prepared Chinese ink complex, above-mentioned structure forms the part of above-mentioned closed conductive loop;
Second kind of conductive ink complex contact with above-mentioned first kind of magnetic conductive prepared Chinese ink complex conduction and the remainder of the above-mentioned closed conductive loop of above-mentioned shank extension becoming of above-mentioned structure, above-mentioned second kind of conductive ink complex determines that a meltability connects, and it can be melted by the electric current that an outside read-out device causes and destroy so that make the position be transformed into second kind of readable state from first kind of readable state thus; With
One deck covers and protects the protective seam of above-mentioned first kind and second kind conductive ink complex.
23. a storage card as described in claim 22, wherein above-mentioned structure are determined an open non-conductive central area of common key hole shape.
24. a storage card as described in claim 23, wherein above-mentioned second kind of conductive ink complex determine that a fusible connection covers the part of first kind of conductive ink complex and across non-conductive zone.
A 25. storage card as described in claim 24, wherein above-mentioned second kind of conductive ink complex determines that it is the banded overlapping arrangement of an above-mentioned conductive ink complex that an above-mentioned meltability connects, and conducts the space that contacts and stride across between the above-mentioned shank with the above-mentioned shank of above-mentioned structure.
26. a storage card as described in claim 22, wherein above-mentioned second kind of conductive ink complex comprises the thermoplastic synthetic of a thermal shrinkage, and when being heated to an evaporating temperature, it will soften and shrink to interrupt above-mentioned closed conductive loop.
27. a storage card as described in claim 26, wherein above-mentioned second kind of conductive ink complex comprises a kind of polymkeric substance adhesive that contains conductive filler.
28. a storage card as described in claim 27, wherein above-mentioned conductive filler contains silver, tin, and plumbous.
29. a storage card as described in claim 22, wherein above-mentioned first kind of magnetic conduction prepared Chinese ink complex also comprises a kind of polymkeric substance adhesive that contains conductive filler, and has than above-mentioned second kind of thermal stability that the conductive ink complex is higher.
30. a storage card as described in claim 29, the above-mentioned conductive filler in wherein above-mentioned first kind of prepared Chinese ink complex contains nickel-silver alloy.
31. a storage card as described in claim 22, wherein above-mentioned substrate comprises the thermoplastic polymer sheets of a softness.
32. a storage card as described in claim 22, wherein above-mentioned substrate comprises an atresia paper.
33. comprising one deck, a storage card as described in claim 22, wherein above-mentioned protective seam be pressed together on above-mentioned substrate to cover and to protect the film of the protective seam at position.
34. a storage card as described in claim 22, wherein above-mentioned protective seam comprises one deck epoxy resin layer.
35. constituting a method of a storage card comprises:
First kind of conductive ink complex is imprinted on the predetermined zone of a substrate and forms the part of a closed conductive loop; With
Second kind of conductive ink complex is imprinted in the substrate, with above-mentioned first kind of conductive ink complex conduction contact and form a thermomeltable and is connected to finish above-mentioned closed conductive loop, position that available outside read-out device is read of formation on card thus.
36. a method that constitutes storage card comprises:
First kind of magnetic conductive prepared Chinese ink complex is imprinted in the substrate to determine the structure of a shank that has an open center zone and separate in opposite directions, the part of a closed conductive loop of above-mentioned structure formation.
Second kind of conductive ink complex is imprinted in the substrate, with above-mentioned first kind of conductive ink complex conduction contact and form a thermomeltable and be connected the above-mentioned shank that strides across above-mentioned structure, to finish above-mentioned closed conductive loop, constitute the position that available outside read-out device is read thus on card, the meltability connection can melt and destroy so that make the position be transformed into second kind of readable state from first kind of readable state thus; With
The coating layer protective layer is to cover and to protect first kind and second kind of conductive ink complex in above-mentioned substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95197831 CN1182490A (en) | 1995-04-25 | 1995-04-25 | Memory card and method of producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95197831 CN1182490A (en) | 1995-04-25 | 1995-04-25 | Memory card and method of producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1182490A true CN1182490A (en) | 1998-05-20 |
Family
ID=5083378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95197831 Pending CN1182490A (en) | 1995-04-25 | 1995-04-25 | Memory card and method of producing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1182490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085509B (en) * | 2006-06-07 | 2010-06-09 | 株式会社迪思科 | Forming device and forming method for storing card |
-
1995
- 1995-04-25 CN CN 95197831 patent/CN1182490A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085509B (en) * | 2006-06-07 | 2010-06-09 | 株式会社迪思科 | Forming device and forming method for storing card |
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