CN101315841B - Press key using film switch circuit and manufacturing method thereof - Google Patents
Press key using film switch circuit and manufacturing method thereof Download PDFInfo
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- CN101315841B CN101315841B CN2007101064123A CN200710106412A CN101315841B CN 101315841 B CN101315841 B CN 101315841B CN 2007101064123 A CN2007101064123 A CN 2007101064123A CN 200710106412 A CN200710106412 A CN 200710106412A CN 101315841 B CN101315841 B CN 101315841B
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- insulating barrier
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Abstract
The invention provides a membrane switching circuit and a keystroke using the membrane switching circuit. An insulating layer of the membrane switching circuit is provided with an annular opening. The bottom of an elastic element is matched with the annular opening of the insulating layer and bonded to the annular opening by an adhesive. The annular opening can assist the elastic element to be accurately bonded to a designated position. In addition, the annular opening can prevent the adhesive from overflowing out of the annular opening.
Description
Technical field
The present invention is about a kind of film switch circuit (membrane switch circuit) and the button (keyswitch) that uses this film switch circuit, and particularly relevant for a kind of insulating barrier, and this annular opening button that can assist a flexible member (deformable member) to be bonded to the film switch circuit of this annular opening exactly and to use this film switch circuit with an annular opening (annularopening).
Background technology
Keyboard is a most general present input unit, and it can be applied in various electronic equipments, as household PC, notebook computer, personal digital assistant or other similar electronic equipments.Owing to for keyboard a large amount of demands is arranged on the market, so utilize minimum cost, make a large amount of keyboards fast, and the rate of good quality rate of assurance product and high-quality, be the important goal of each tame manufacturer.
In the manufacture process of thin film type keyboard button, a flexible member can be bonded on the insulating barrier of a film switch circuit.The general practice is earlier adhesive (adhesive) directly to be coated on this insulating barrier at present, this flexible member is bonded on this insulating barrier by this adhesive again.
Yet, because surface of insulating layer is smooth, usually causes flexible member in adhesion process, to slide arbitrarily easily, and then cause the error of bond locations, can't reach location accurately.In addition, because surface of insulating layer is smooth, the adhesive that is coated with thereon may flow arbitrarily, has more increased the degree of difficulty of location flexible member bond locations.Under the situation that can't properly settle the problems referred to above, often improved manufacturing cost, product yields and quality also are subjected to the influence of certain degree simultaneously.
Therefore, main category of the present invention is the button that a kind of film switch circuit is provided and uses this film switch circuit, to address the above problem.
Summary of the invention
A category of the present invention is the button that a kind of film switch circuit is provided and uses this film switch circuit.The membrane according to the invention switching circuit provides the insulating barrier with an annular opening.When this flexible member utilized an adhesive to be bonded to this film switch circuit, this annular opening can assist this flexible member to be bonded to assigned address exactly.In addition, this annular opening can prevent that this adhesive from overflowing this annular opening.Whereby, in the manufacture process of this button, the bonding of this flexible member will be more accurate, and then increase the quality bills of materials and the product yields of this button.
The button of one preferred embodiment comprises a substrate (substrate), a thin film circuit (membrane circuit), one first insulating barrier, one second insulating barrier, flexible member, a keycap (keycap) and a bracing or strutting arrangement (supporting device) according to the present invention.This thin film circuit has a switch (switch).This first insulating barrier is formed on this thin film circuit.This first insulating barrier has a hole (hole), and this switch is exposed in this hole.This second insulating barrier is formed on this first insulating barrier.This second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier.One bottom of this flexible member cooperates this annular opening of this second insulating barrier and is bonded to this annular opening of this second insulating barrier, and this flexible member has a contact portion.This bracing or strutting arrangement be movably connected this keycap and this substrate, this bracing or strutting arrangement supports this keycap and does with respect to this substrate vertical moving.When this keycap during by a pressed by external force, this flexible member distortion, this contact portion of this flexible member contacts this switch and then opens this switch.
Film switch circuit according to yet another preferred embodiment of the present invention cooperates a flexible member.This film switch circuit comprises a thin film circuit, one first insulating barrier and one second insulating barrier.This thin film circuit has a switch.This first insulating barrier is formed on this thin film circuit, and this first insulating barrier has a hole, and this switch is exposed in this hole.This second insulating barrier is formed on this first insulating barrier.This second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier.One bottom (bottom) of this flexible member is to utilize an adhesive to be bonded to this annular opening of this second insulating barrier.
Another category of the present invention is to provide a kind of manufacture method in order to make a film switch circuit and to use a button of this film switch circuit.
Manufacture method according to yet another preferred embodiment of the present invention is in order to make a button.This manufacture method is at first, to prepare a substrate.Then, this manufacture method prepares a thin film circuit, and this thin film circuit has a switch.Subsequently, this manufacture method forms one first insulating barrier on this thin film circuit.This first insulating barrier has a hole, and this switch is exposed in this hole.Afterwards, this manufacture method forms one second insulating barrier on this first insulating barrier.This second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier.Then, this manufacture method prepares a flexible member.One bottom of this flexible member cooperates this annular opening of this second insulating barrier.Then, this manufacture method is utilized this bottom of bonding this flexible member of an adhesive this annular opening to this second insulating barrier.Afterwards, this manufacture method prepares a keycap.Then, this manufacture method prepares a bracing or strutting arrangement, and this bracing or strutting arrangement has one first end and one second end.At last, this manufacture method is this first end this keycap that is movably connected, and this second end is movably connected in this substrate.
Manufacture method according to yet another preferred embodiment of the present invention is in order to make a film switch circuit.This manufacture method at first, form a thin film circuit, and this thin film circuit has a switch.Then, this manufacture method forms one first insulating barrier on this thin film circuit, and this first insulating barrier has a hole, and this switch is exposed in this hole.At last, this manufacture method forms one second insulating barrier on this first insulating barrier.This second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier.
Therefore, membrane according to the invention switching circuit and use the button of this film switch circuit that the insulating barrier with an annular opening is provided.When flexible member utilized an adhesive to be bonded to this film switch circuit, this annular opening can assist this flexible member to be bonded to assigned address exactly.In addition, this annular opening can prevent that this adhesive from overflowing this annular opening.Whereby, in the manufacture process of this button, the bonding of this flexible member will be more accurate, and then increase the quality bills of materials and the product yields of this button.
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the assembling decomposition diagram of the button of one preferred embodiment according to the present invention.
Fig. 2 is the cross section view of button among Fig. 1.
Fig. 3 is the partial enlarged drawing of button among Fig. 2.
Fig. 4 is the flow chart of the manufacture method of button among Fig. 1.
Fig. 5 is the assembling decomposition diagram of the film switch circuit of one preferred embodiment according to the present invention.
Fig. 6 is the cross section view of film switch circuit among Fig. 5.
Fig. 7 is the flow chart according to the manufacture method of film switch circuit among Fig. 5.
The main element symbol description
1: button 10: substrate
12: 14: the first insulating barriers of thin film circuit
Insulating barrier 18 in 16: the second: flexible member
20: keycap 22: bracing or strutting arrangement
120: 1200: the first current-carrying parts of switch
Current-carrying part 140 in 1202: the second: hole
160: annular opening 180: bottom
182: contact portion 2: film switch circuit
S14-S26: steps flow chart S30-S36: steps flow chart
Embodiment
See also Fig. 1, Fig. 1 is the assembling decomposition diagram of the button 1 of one preferred embodiment according to the present invention.As shown in Figure 1, button 1 comprises a substrate 10, a thin film circuit 12, one first insulating barrier 14, one second insulating barrier 16, a flexible member 18, a keycap 20 and a bracing or strutting arrangement 22.
As shown in Figure 1, thin film circuit 12 has a switch 120.In this specific embodiment, thin film circuit 12 substantially can by a PETG (Polyethylene Terephthalate, PET) made, but not as limit.In this specific embodiment, switch 120 can comprise second current-carrying part 1202 that one first current-carrying part (conductive portion) 1200 and separates with first current-carrying part 1200.In other words, owing to first current-carrying part 1200 does not have electric connection with second current-carrying part 1202 for separating, so the time switch 120 be in closed condition.When practical application, first current-carrying part 1200 and second current-carrying part 1202 can be by a carbon paste (carbon paste) (not being shown among the figure) coatings, and this carbon paste is in order to increase the resistance to wear of first current-carrying part 1200 and second current-carrying part 1202.
As shown in Figure 1, first insulating barrier 14 is formed on the thin film circuit 12, and first insulating barrier 14 has a hole 140, and switch 120 is exposed in the hole 140.In this specific embodiment, first insulating barrier 14 is made by a resin (resin), and its major function is insulation, but not as limit.In addition, in this specific embodiment, first insulating barrier 14 can form in a ultraviolet catalyzed method manufacturing, but not as limit.
Second insulating barrier 16 is formed on first insulating barrier 14, and second insulating barrier 16 has an annular opening 160, and this annular opening 160 is around the hole 140 of first insulating barrier 14.In this specific embodiment, second insulating barrier 16 is made by a resin, has the function of insulation, but not as limit.In addition, in this specific embodiment, second insulating barrier 16 can form in the roasting furnace drying method manufacturing of a heat, but not as limit.When practical application, second insulating barrier 16 can have a particular color, and this particular color can be identical with an appearance color of keycap 20 or matches, to reach effect attractive in appearance.
See also Fig. 2 and Fig. 3, Fig. 2 is the cross section view of button 1 among Fig. 1.Fig. 3 is the partial enlarged drawing of button 1 among Fig. 2.As Fig. 2 and shown in Figure 3, a bottom 180 of flexible member 18 can cooperate the annular opening 160 of second insulating barrier 16 and be bonded to the annular opening 160 of second insulating barrier 16.Flexible member 18 can have a contact portion 182.Flexible member 18 is made by a rubber (rubber) substantially, but not as limit.In this specific embodiment, the bottom 180 of flexible member 18 is to utilize an adhesive (not being shown among the figure) and annular opening 160 bonding, but not as limit.In this specific embodiment, the shape of flexible member 18 can be dome body (dome), but not as limit.
In this specific embodiment, bracing or strutting arrangement 22 be movably connected keycap 20 and substrate 10.Bracing or strutting arrangement 22 can support keycap 20 and do with respect to this substrate 10 vertical moving.When keycap 20 during by a pressed by external force, flexible member 18 can distortion, and the contact portion 182 of flexible member 18 can contact-making switches 120 and then open switch 120.Furthermore, along with flexible member 18 is depressed in response to the mobile of keycap 20, contact portion 182 contacts first current-carrying part 1200 simultaneously and second current-carrying part 1202 electrically connects to form, and then opens switch 120.
Whereby, when elasticity unit 18 utilized this adhesive to be bonded to the annular opening 160 of second insulating barrier 16 via 180 of bottoms, annular opening 160 can assist flexible member 18 to be bonded to an assigned address exactly.In addition, annular opening 160 also can prevent that this adhesive from overflowing annular opening 160.
See also Fig. 4, and consult Fig. 1 to Fig. 3 in the lump, Fig. 4 is the flow chart of the manufacture method of button 1 among Fig. 1.The manufacture method of one preferred embodiment according to the present invention, at first, execution in step S10 prepares a substrate 10.
Then, the manufacture method execution in step S12 of one preferred embodiment prepares a thin film circuit 12 according to the present invention.Thin film circuit 12 has a switch 120.In this specific embodiment, thin film circuit 12 substantially can be made by a PETG, but not as limit.In this specific embodiment, switch 120 can comprise one first current-carrying part 1200 and second current-carrying part 1202 that separates with this first current-carrying part 1200.In other words, owing to first current-carrying part 1200 does not have electric connection with second current-carrying part 1202 for separating, so the time switch 120 be in closed condition.When practical application, first current-carrying part 1200 and second current-carrying part 1202 can be by a carbon paste (not being shown among the figure) coatings, and this carbon paste is in order to increase the resistance to wear of first current-carrying part 1200 and second current-carrying part 1202.
Then, the manufacture method execution in step S14 of one preferred embodiment according to the present invention forms one first insulating barrier 14 on thin film circuit 12.First insulating barrier 14 has a hole 140, and 120 are exposed in the hole 140.In this specific embodiment, first insulating barrier 14 is made by a resin, and its major function is insulation, but not as limit.In addition, in this specific embodiment, first insulating barrier 14 can form in a ultraviolet catalyzed method manufacturing, but not as limit.
Then, the manufacture method execution in step S16 of one preferred embodiment according to the present invention, 14 form one second insulating barrier 16 on first insulating barrier.Second insulating barrier 16 has an annular opening 160, and this annular opening 160 is around the hole 140 of first insulating barrier 14.In this specific embodiment, second insulating barrier 16 is made by a resin, has the function of insulation, but not as limit.In addition, in this specific embodiment, second insulating barrier 16 can form in the roasting furnace drying method manufacturing of a heat, but not as limit.When practical application, second insulating barrier 16 can have a particular color, and this particular color can be identical with an appearance color of keycap 20 or matches, to reach effect attractive in appearance.
Afterwards, the manufacture method execution in step S18 of one preferred embodiment prepares a flexible member 18 according to the present invention, and a bottom 180 of flexible member 18 cooperates the annular opening 160 of second insulating barrier 16.In this specific embodiment, flexible member 18 is made by a rubber substantially, but not as limit.
Then, the manufacture method execution in step S20 of one preferred embodiment according to the present invention utilizes the annular opening 160 of bottom 180 to second insulating barriers 16 of the bonding flexible member 18 of an adhesive.In this specific embodiment, annular opening 160 can assist flexible member 18 to be bonded to assigned address exactly.In addition, annular opening 160 also can prevent that this adhesive from overflowing annular opening 160.
Then, the manufacture method execution in step S22 of one preferred embodiment prepares a keycap 20 according to the present invention.
Afterwards, the manufacture method execution in step S24 of one preferred embodiment prepares a bracing or strutting arrangement 22 according to the present invention.In this embodiment, bracing or strutting arrangement 22 has first end 220 and second end 222.
At last, the manufacture method execution in step S26 of one preferred embodiment according to the present invention with first end 220 keycap 20 that is movably connected, and is movably connected second end 22 in substrate 10.
In this specific embodiment, flexible member 18 can comprise a contact portion 182.When the user applies an external force in keycap 20, along with flexible member 18 is depressed in response to the mobile of keycap 20, contact portion 182 contacts first current-carrying part 1200 simultaneously and second conduction, 1202 parts electrically connect to form, and then opens switch 120.
Whereby, when elasticity unit 18 utilized this adhesive to be bonded to the annular opening 160 of second insulating barrier 16 via 180 of bottoms, annular opening 160 can assist flexible member 18 to be bonded to an assigned address exactly.In addition, annular opening 160 also can prevent that this adhesive from overflowing annular opening 160.
See also Fig. 5, Fig. 5 is the assembling decomposition diagram of the film switch circuit 2 of one preferred embodiment according to the present invention.In this preferred embodiment, film switch circuit 2 cooperates a flexible member 18.As shown in Figure 5, film switch circuit 2 comprises a thin film circuit 12, one first insulating barrier 14 and one second insulating barrier 16.
As shown in Figure 5, thin film circuit 12 has a switch 120.In this specific embodiment, thin film circuit 12 substantially can be made by a PETG, but not as limit.In this specific embodiment, switch 120 can comprise one first current-carrying part 1200 and second current-carrying part 1202 that separates with first current-carrying part 1200.In other words, owing to first current-carrying part 1200 does not have electric connection with second current-carrying part 1202 for separating, so the time switch 120 be in closed condition.When practical application, first current-carrying part 1200 and second current-carrying part 1202 can be by a carbon paste (not being shown among the figure) coatings, and this carbon paste is in order to increase the resistance to wear of first current-carrying part 1200 and second current-carrying part 1202.
As shown in Figure 5, first insulating barrier 14 is formed on the thin film circuit 12, and first insulating barrier 14 has a hole 140, and switch 120 is exposed in the hole 140.In this specific embodiment, first insulating barrier 14 is made by a resin, and its major function is insulation, but not as limit.In addition, in this specific embodiment, first insulating barrier 14 can form in a ultraviolet catalyzed method manufacturing, but not as limit.
Second insulating barrier 16 is formed on first insulating barrier 14, and second insulating barrier 16 has an annular opening 160, and this annular opening 160 is around the hole 140 of first insulating barrier 14.In this specific embodiment, second insulating barrier 16 is made by a resin, has the function of insulation, but not as limit.In addition, in this specific embodiment, second insulating barrier 16 can form in the roasting furnace drying method manufacturing of a heat, but not as limit.When practical application, second insulating barrier 16 can have a particular color, to reach effect attractive in appearance.
See also Fig. 6, Fig. 6 is the cross section view of film switch circuit 2 among Fig. 5.In one embodiment, a bottom 180 of flexible member 180 is to utilize an adhesive (not being shown among the figure) to be bonded to the annular opening 160 of second insulating barrier 16.Flexible member 18 can have a contact portion 182.Flexible member 18 is made by a rubber substantially, but not as limit.In this specific embodiment, the bottom 180 of flexible member 18 is to utilize an adhesive (not being shown among the figure) and annular opening 160 bonding, but not as limit.In this specific embodiment, the shape of flexible member 18 can be dome body (dome), but not as limit.
In one embodiment, along with flexible member 18 is depressed, contact portion 182 contacts first current-carrying part 1200 simultaneously and second current-carrying part 1202 electrically connects to form, and then opens switch 120.
Whereby, when elasticity unit 18 utilized this adhesive to be bonded to the annular opening 160 of second insulating barrier 16 via 180 of bottoms, annular opening 160 can assist flexible member 18 to be bonded to an assigned address exactly.In addition, annular opening 160 also can prevent that this adhesive from overflowing annular opening 160.
See also Fig. 7, and consult Fig. 5 and Fig. 6 in the lump, Fig. 7 is the flow chart according to the manufacture method of film switch circuit among Fig. 52.In this specific embodiment, film switch circuit 2 cooperates a flexible member 18.The manufacture method of one preferred embodiment according to the present invention, at first, execution in step S30 forms a thin film circuit 12.Thin film circuit 12 has a switch 120.In this specific embodiment, thin film circuit 12 substantially can be made by a PETG, but not as limit.
In this specific embodiment, switch 120 can comprise one first current-carrying part 1200 and second current-carrying part 1202 that separates with this first current-carrying part 1200.In other words, do not have electric connection owing to first current-carrying part 1200 separates with second current-carrying part 1202, so the time switch 120 be in closed condition.When practical application, first current-carrying part 1200 and second current-carrying part 1202 can be by a carbon paste coating in order to increase the resistance to wear of first current-carrying part 1200 and second current-carrying part 1202.
Then, the manufacture method execution in step S32 of one preferred embodiment according to the present invention forms one first insulating barrier 14 on thin film circuit 12.First insulating barrier 14 has a hole 140, and 120 are exposed in the hole 140.In this specific embodiment, first insulating barrier 14 is made by a resin, and its major function is insulation, but not as limit.In addition, in this specific embodiment, first insulating barrier 14 can form in a ultraviolet catalyzed method manufacturing, but not as limit.
Then, the manufacture method execution in step S34 of one preferred embodiment according to the present invention, 14 form one second insulating barrier 16 on first insulating barrier.Second insulating barrier 16 has an annular opening 160, and this annular opening 160 is around the hole 140 of first insulating barrier 14.In this specific embodiment, second insulating barrier 16 is made by a resin (resin), has the function of insulation, but not as limit.In addition, in this specific embodiment, second insulating barrier 16 can form in the roasting furnace drying method manufacturing of a heat, but not as limit.When practical application, second insulating barrier 16 can have a particular color, to reach effect attractive in appearance.
Then, the manufacture method execution in step S36 of one preferred embodiment according to the present invention utilizes the annular opening 160 of bottom 180 to second insulating barriers 16 of the bonding flexible member 18 of an adhesive.In this specific embodiment, annular opening 160 can assist flexible member 18 to be bonded to assigned address exactly.In addition, annular opening 160 also can prevent that this adhesive from overflowing annular opening 160.In this specific embodiment, flexible member 18 is made by a rubber substantially, but not as limit.
In this specific embodiment, flexible member 18 can comprise a contact portion 182.Along with flexible member 18 is depressed, contact portion 182 contacts first current-carrying part 1200 simultaneously and second conduction, 1202 parts electrically connect to form, and then opens switch 120.
Compared to prior art, according to button of the present invention and thin film circuit switch, when this flexible member utilized an adhesive to be bonded to this film switch circuit, this annular opening can assist this flexible member to be bonded to assigned address exactly.In addition, this annular opening can prevent that this adhesive from overflowing this annular opening.Whereby, in the manufacture process of this button, the bonding of this flexible member will be more accurate, and then increase the quality bills of materials and the product yields of this button.
By the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain being arranged in the category of the present invention of various changes and tool equality.Therefore, category of the present invention should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (38)
1. button comprises:
One substrate;
One thin film circuit, this thin film circuit has a switch;
One first insulating barrier, this first insulating barrier is formed on this thin film circuit, and this first insulating barrier has a hole, and this switch is exposed in this hole;
One second insulating barrier, this second insulating barrier are formed on this first insulating barrier, and this second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier;
One flexible member, a bottom of this flexible member cooperate this annular opening of this second insulating barrier and are bonded to this annular opening of this second insulating barrier, and this flexible member has a contact portion;
One keycap; And
One bracing or strutting arrangement, this bracing or strutting arrangement be movably connected this keycap and this substrate, this bracing or strutting arrangement supports this keycap and does with respect to this substrate vertical moving;
Wherein when this keycap during by a pressed by external force, this flexible member distortion, this contact portion of this flexible member contacts this switch and then opens this switch.
2. button according to claim 1, wherein this thin film circuit is made by a PETG (PET) substantially.
3. button according to claim 1, wherein this flexible member is made by a rubber substantially.
4. button according to claim 1, wherein this flexible member is shaped as dome body.
5. button according to claim 1, wherein this first insulating barrier is made by a resin.
6. button according to claim 1, wherein this second insulating barrier is made by a resin.
7. button according to claim 1, wherein this bottom of this flexible member is to utilize an adhesive and this annular opening bonding.
8. button according to claim 1, wherein this switch comprises one first current-carrying part and second current-carrying part that separates with this first current-carrying part, along with this flexible member is depressed in response to the mobile of this keycap, this contact portion contacts this first current-carrying part and this second current-carrying part simultaneously and then opens this switch.
9. button according to claim 8, wherein this first current-carrying part and this second current-carrying part are by a carbon paste coating.
10. button according to claim 1, this second insulating barrier has a particular color.
11. one kind in order to make the method for a button, this method comprises the following steps:
Prepare a substrate;
Prepare a thin film circuit, this thin film circuit has a switch;
Form one first insulating barrier on this thin film circuit, this first insulating barrier has a hole, and this switch is exposed in this hole;
Form one second insulating barrier on this first insulating barrier, this second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier;
Prepare a flexible member, a bottom of this flexible member cooperates this annular opening of this second insulating barrier, and utilizes this bottom of bonding this flexible member of an adhesive this annular opening to this second insulating barrier;
Prepare a keycap; And
Prepare a bracing or strutting arrangement, this bracing or strutting arrangement has one first end and one second end, this first end is movably connected in this keycap, and this second end is movably connected in this substrate.
12. according to claim 11 a described method, wherein this thin film circuit is made by a PETG (PET) substantially.
13. according to claim 11 a described method, wherein this flexible member is made by a rubber substantially.
14. according to claim 11 a described method, wherein this flexible member is shaped as dome body.
15. according to claim 11 a described method, wherein this first insulating barrier is made by a resin.
16. according to claim 11 a described method, wherein this second insulating barrier is made by a resin.
17. according to claim 11 a described method, wherein this switch comprises one first current-carrying part and second current-carrying part that separates with this first current-carrying part, this flexible member comprises a contact portion, along with this flexible member is depressed in response to the mobile of this keycap, this contact portion contacts this first current-carrying part and this second current-carrying part simultaneously and then opens this switch.
18. according to claim 17 a described method, wherein this first current-carrying part and this second current-carrying part are by a carbon paste coating.
19. according to claim 11 a described method, wherein this second insulating barrier has a particular color.
20. a film switch circuit, this film switch circuit cooperates a flexible member, and this film switch circuit comprises:
One thin film circuit, this thin film circuit has a switch;
One first insulating barrier, this first insulating barrier is formed on this thin film circuit, and this first insulating barrier has a hole, and this switch is exposed in this hole; And
One second insulating barrier, this second insulating barrier is formed on this first insulating barrier, this second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier, and wherein a bottom of this flexible member is to utilize an adhesive to be bonded to this annular opening of this second insulating barrier.
21. according to claim 20 a described film switch circuit, wherein this thin film circuit is made by a PETG (PET) substantially.
22. according to claim 20 a described film switch circuit, wherein this first insulating barrier is made by a resin.
23. according to claim 20 a described film switch circuit, wherein this second insulating barrier is made by a resin.
24. according to claim 20 a described film switch circuit, wherein this switch comprises one first current-carrying part and second current-carrying part that separates with this first current-carrying part, this flexible member comprises a contact portion, along with this flexible member is depressed, this contact portion contacts this first current-carrying part and this second current-carrying part simultaneously and then opens this switch.
25. according to claim 24 a described film switch circuit, wherein this first current-carrying part and this second current-carrying part are by a carbon paste coating.
26. according to claim 20 a described film switch circuit, this flexible member be shaped as dome body.
27. according to claim 20 a described film switch circuit, this flexible member is made by a rubber substantially.
28. according to claim 20 a described film switch circuit, this second insulating barrier has a particular color.
29. one kind in order to make the method for a film switch circuit, this method comprises the following steps:
Form a thin film circuit, this thin film circuit has a switch;
Form one first insulating barrier on this thin film circuit, this first insulating barrier has a hole, and this switch is exposed in this hole; And
Form one second insulating barrier on this first insulating barrier, this second insulating barrier has an annular opening, and this annular opening is around this hole of this first insulating barrier.
30., also comprise the following steps: a bottom of a flexible member is bonded to this annular opening according to claim 29 a described method.
31. according to claim 30 a described method, this flexible member be shaped as dome body.
32. according to claim 30 a described method, this flexible member is made by a rubber substantially.
33. according to claim 29 a described method, wherein this thin film circuit is made by a PETG (PET) substantially.
34. according to claim 29 a described method, wherein this first insulating barrier is made by a resin.
35. according to claim 29 a described method, wherein this second insulating barrier is made by a resin.
36. according to claim 30 a described method, wherein this switch comprises one first current-carrying part and second current-carrying part that separates with this first current-carrying part, this flexible member has a contact portion, along with this flexible member is depressed, this contact portion contacts this first current-carrying part and this second current-carrying part simultaneously and then opens this switch.
37. according to claim 36 a described method, wherein this first current-carrying part and this second current-carrying part are by a carbon paste coating.
38. according to claim 30 a described method, this second insulating barrier has a particular color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101064123A CN101315841B (en) | 2007-05-29 | 2007-05-29 | Press key using film switch circuit and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101064123A CN101315841B (en) | 2007-05-29 | 2007-05-29 | Press key using film switch circuit and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN101315841A CN101315841A (en) | 2008-12-03 |
| CN101315841B true CN101315841B (en) | 2011-12-07 |
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| CN2007101064123A Expired - Fee Related CN101315841B (en) | 2007-05-29 | 2007-05-29 | Press key using film switch circuit and manufacturing method thereof |
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| CN2603493Y (en) * | 2003-02-21 | 2004-02-11 | 东莞大洋硅胶制品有限公司 | Press-button |
| US6880995B2 (en) * | 2003-07-09 | 2005-04-19 | Monterey International Corp. | Elastic-cup support for computer keyboard |
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| US6366275B1 (en) * | 2000-01-21 | 2002-04-02 | Behavior Tech Computer Corporation | Push button structure of keyboard |
| CN2603493Y (en) * | 2003-02-21 | 2004-02-11 | 东莞大洋硅胶制品有限公司 | Press-button |
| US6880995B2 (en) * | 2003-07-09 | 2005-04-19 | Monterey International Corp. | Elastic-cup support for computer keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101315841A (en) | 2008-12-03 |
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