WO2019037345A1 - Ffc structure and manufacturing method therefor - Google Patents

Ffc structure and manufacturing method therefor Download PDF

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Publication number
WO2019037345A1
WO2019037345A1 PCT/CN2017/116215 CN2017116215W WO2019037345A1 WO 2019037345 A1 WO2019037345 A1 WO 2019037345A1 CN 2017116215 W CN2017116215 W CN 2017116215W WO 2019037345 A1 WO2019037345 A1 WO 2019037345A1
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WO
WIPO (PCT)
Prior art keywords
line
pin
reverse
wire
positive
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PCT/CN2017/116215
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French (fr)
Chinese (zh)
Inventor
孟金祥
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广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Publication of WO2019037345A1 publication Critical patent/WO2019037345A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Definitions

  • the present invention relates to the field of data cable technologies, and in particular, to an FFC line structure and a method of fabricating the same.
  • FFC Flexible Flat Cable
  • EMI electromagnetic shielding
  • An FFC wire structure comprising a wire body, the end of the wire body having a first gold finger and a second gold finger disposed opposite to the first gold finger, the first gold finger and the second gold The contact transmission signal of the finger is consistent.
  • the wire body includes a first wire and a second wire attached to a reverse end of the first wire, the first wire including a first wire layer, the first row
  • the line layer includes a first positive line, a second positive line, ..., an n-1th line, and an nth line, the first line, the second line, ...,
  • the end of the n-1 positive line and the nth positive line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n pin, and the positive PIN a first pin is formed by a 1- pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, and a positive PIN n pin;
  • the second wire includes a second wire layer, and the second wire layer includes a first reverse row, a second reverse row, ..., an n-1th row, and an nth row.
  • the ends of the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line correspond to form an inverse PIN 1 pin, an inverse PIN 2 pin, ..., a reverse PIN n-1 pin, anti-PIN n pin, the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin and the reverse PIN n pin form a second gold finger;
  • the first positive line, the second positive line, ..., the n-1th line, and the nth line are respectively associated with the first reverse line, the second reverse line, ...,
  • the n-1 reverse line and the nth reverse line are turned on one by one, and the positive PIN 1 pin, the positive PIN 2 pin, ..., the positive PIN n-1 pin, the positive PIN n pin and the The reverse PIN n pin, the reverse PIN n-1 pin, ..., the reverse PIN 2 pin, and the reverse PIN 1 pin are arranged in a one-to-one correspondence;
  • n is a positive integer and n ⁇ 2.
  • the first wire further includes a first insulating layer and a second insulating layer, the first insulating layer completely covering a reverse side of the first wiring layer, and the second insulating layer covers the second insulating layer a front surface of the first wiring layer, and a first reserved lead pitch is disposed between an end of the second insulating layer and an end of the first wiring layer, so that the first wiring layer The exposed end portion forms the first gold finger.
  • the second wire further includes a third insulating layer, the third insulating layer covers the second wire layer, and one end of the third insulating layer and the second wire A second reserved lead pitch is disposed between the corresponding ends of the layer, such that the ends of the second wiring layer are exposed to form the second gold finger.
  • the first positive line, the second positive line, the ..., the n-1th line, and the nth line are each provided with a first pre-punch, and the first The first pre-punch line on the positive line, the second side line, the n-1th line, and the nth line are sequentially arranged to form a first oblique line inclined toward the inner side;
  • the width of the second wire is matched with the width of the first wire, and the second wire is provided with a mountain fold line corresponding to the first inclined straight line corresponding to the first wire, The second wire is provided with a valley line passing through the inner end point of the mountain fold line and extending in the width direction, and the first reverse line, the second reverse line, the ..., the n-1th line of the second wire And a second pre-punch hole is disposed on the nth reverse line, and the second pre-punch line on the first reverse line, ..., the n/2th line is sequentially arranged to form a second inclined line.
  • the n/2+1 reverse line, ..., the second pre-punch on the nth reverse line are sequentially arranged.
  • the second inclined straight line is disposed perpendicular to the mountain fold line and passes through a midpoint of the mountain fold line, the third inclined straight line is disposed in parallel with the mountain fold line and is away from the valley fold line The end point of the inner end of the mountain fold line;
  • the first wire is pressed on the first end of the reverse side of the first wire, the first positive line, the second positive line, ..., the first N-1 positive line, first pre-punch on the nth positive line and the first reverse line, the second reverse line, ..., the n-1th line, the nth line
  • the second pre-punch holes on the one-to-one are turned on; wherein n is an even number.
  • the first positive line, the second positive line, the ..., the n-1th line, and the first pre-punch on the nth line are respectively associated with the first The reverse line, the second reverse line, ..., the n-1th reverse line, and the second pre-punch line on the nth reverse line are pressed and conducted by the metal via.
  • the distance between the pre-punch on the first positive line and the positive PIN 1 pin is ⁇ 5 mm.
  • both ends of the wire body have a first gold finger and a second gold finger, and both ends of the first wire layer are formed with a first gold finger, the first positive Pre-punching is provided on both ends of the cable, the second positive cable, ..., the n-1th positive cable, and the nth positive cable, and the first positive cable, the second positive cable, ... ..., the n-1th positive line and the pre-punched holes at each end of the nth positive line are sequentially arranged to form a first inclined straight line inclined toward the inner side;
  • the second wire corresponds to two pieces, wherein one piece of the second wire is attached to the first end of the reverse side of the first wire, and the second gold finger formed by the second wire layer of the second wire a first gold finger corresponding to the first end of the first wire; wherein the other second wire is attached to the second end of the reverse side of the first wire, and the second wire layer of the second wire is formed
  • the second gold finger corresponds to the first gold finger of the second end of the first wire.
  • the end of the wire body is provided with an anti-dropout groove.
  • a method of fabricating the FFC line structure described above comprising the steps of:
  • the first wire includes a first positive wire, a second positive wire, ..., an n-1th row and an nth row, the first row and the second row
  • the ends of the line, ..., the n-1th positive line, and the nth positive line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n lead.
  • a first pre-punch hole is respectively formed on the first positive line, the second positive line, ..., the n-1th line, and the nth line;
  • the second wire includes a first reverse row, a second reverse row, ..., an n-1th reverse row, and an nth reverse row, the first reverse row and the second reverse row
  • the ends of the line, ..., the n-1th reverse line, and the nth reverse line correspond to the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin, and the reverse PIN n lead.
  • a second pre-punch hole is respectively formed on the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line;
  • Forming a wire body pressing the second wire metal via on the back surface of the first wire, the first positive wire, the second positive wire, ..., the n-1th row, the nth row
  • the first pre-punch is electrically connected to the first reverse row, the second reverse row, the n-1th reverse line, and the second pre-punch on the nth reverse line, and the positive PIN 1 Pin, positive PIN 2 pin, ..., positive PIN n-1 pin, positive PIN n pin and reverse PIN n pin, reverse PIN n-1 pin, ..., reverse PIN 2 pin, reverse
  • the PIN 1 pins are one-to-one corresponding to the relative setting; where n is a positive integer and n ⁇ 2.
  • the FFC line structure is configured to set a first gold finger and a second gold finger through the end of the wire body, and set a contact transmission signal of the first gold finger and the second gold finger, and when the FFC line structure is used, the end thereof
  • the part can realize double-sided contact and achieve the same effect of transmitting signals.
  • the side of the gold finger is a reinforcing plate surface
  • the FFC line structure does not need to consider contact with PCBA or the like when used. Whether it is a reinforcing plate surface or a gold finger surface, it can effectively prevent the problem, especially suitable for complex wiring design, and it is not easy to have design errors.
  • the manufacturing method of the FFC line structure, the first positive line, the second positive line, ..., the n-1th line, the first pre-punch and the first line of the nth line The second reverse line, ..., the n-1th reverse line, the second pre-punch on the nth reverse line are turned on one by one, the positive PIN 1 pin, the positive PIN 2 pin, ...
  • the positive PIN n-1 pin, the positive PIN n pin and the reverse PIN n pin, the reverse PIN n-1 pin, ..., the reverse PIN 2 pin, and the reverse PIN 1 pin are arranged in one-to-one correspondence.
  • the contact transmission signal of the first gold finger and the second gold finger is consistent, and the obtained FFC line structure can realize double-sided contact and achieve the same transmission signal consistency when used, compared with the end of the traditional FFC line.
  • the FFC wire structure manufactured by the manufacturing method does not need to consider whether the contact with the PCBA or the like is a reinforcing plate surface or a gold finger surface, and is particularly suitable for complex wiring. Design, not easy to design errors.
  • FIG. 1 is a schematic structural diagram of an FFC line structure according to an embodiment of the present invention.
  • FIG. 2 is a side view showing the structure of an FFC line according to an embodiment of the present invention.
  • FIG. 3 is a schematic front view of a first wire according to an embodiment of the invention.
  • FIG. 4 is a schematic front view of a second wire according to an embodiment of the invention.
  • FIG. 5 is a schematic structural view of a second wire after folding according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a first wire and a second wire according to an embodiment of the present invention.
  • an FFC line structure includes a wire body 100 having an end portion having a first gold finger 110 and a second gold finger disposed opposite to the first gold finger 110. 120.
  • the first gold finger 110 and the second gold finger 120 have the same contact transmission signal.
  • the FFC line structure is configured to provide a first gold finger 110 and a second gold finger 120 through the end of the wire body 100, and set a contact transmission signal of the first gold finger 110 and the second gold finger 120, the FFC line structure When used, the end portion can achieve double-sided contact and achieve the same effect of transmitting signals.
  • the FFC line structure does not need to be considered when used.
  • the contact with PCBA or the like is a reinforcing plate surface or a gold finger surface can effectively prevent the problem, especially suitable for complex wiring design, and is not easy to cause design errors.
  • the two ends of the wire body 100 are the first gold finger 110 and the second gold finger 120 respectively, and the end of the wire body 100 has good strength, and no additional reinforcing panel is needed, which can save manufacturing cost.
  • the wire body 100 includes a first wire 130 and a second wire 140 attached to a reverse end of the first wire 130.
  • the first wire 130 includes a first wire layer 131
  • the first wire layer 131 includes a first positive wire 1311, a second positive wire 1312, ..., The n-1 positive line 1313 and the nth positive line 1314.
  • the ends of the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are formed to form a positive PIN 1 pin 1311a, a positive PIN 2 lead.
  • the positive PIN 1 pin 1311a, the positive PIN 2 pin 1312a, ..., the positive PIN n-1 pin 1313a, and the positive PIN n pin 1314a form the first gold finger 110.
  • the second wire 140 includes a second wire layer 141, and the second wire layer 141 includes a first reverse row 1411, a second reverse row 1412, ..., The n-1 reverse line 1413 and the nth reverse line 1414.
  • the ends of the first reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 are formed corresponding to the reverse PIN 1 pin 1411a, and the reverse PIN 2 lead A pin 1412a, ..., an inverted PIN n-1 pin 1413a, and an inverted PIN n pin 1414a.
  • the reverse PIN 1 pin 1411a, the reverse PIN 2 pin 1412a, ..., the reverse PIN n-1 pin 1413a, and the reverse PIN n pin 1414a form a second gold finger 120. As shown in FIG. 2, FIG. 3, FIG. 4, and FIG.
  • the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are respectively The first reverse line 1411, the second reverse line 1412, ..., the n-1 reverse line 1413, and the nth reverse line 1414 are in one-to-one correspondence, that is, the first positive line 1311 and the first The reverse line 1411 is turned on, the second positive line 1312 is turned on and the second reverse line 1412 is turned on, ... the n-1th line 1313 and the n-1th line 1413 are turned on, the nth row
  • the line 1314 is electrically connected to the nth reverse line 1414.
  • the n-1 pin 1413a is oppositely disposed, ..., the positive PIN n-1 pin 1313a is disposed opposite to the reverse PIN 2 pin 1412a, and the positive PIN n pin 1314a is disposed opposite to the reverse PIN 1 pin 1411a.
  • n is a positive integer and n ⁇ 2.
  • the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are respectively opposite to the first reverse line 1411 and the second reverse line 1412, ..., the n-1th reverse line 1413 and the nth reverse line 1414 are turned on one-to-one, and the signal connection between each line on the first wire 130 and the corresponding line on the second wire 140 can be realized.
  • positive PIN 1 pin 1311a, positive PIN 2 pin 1312a, ..., positive PIN n-1 pin 1313a, positive PIN n pin 1314a and reverse PIN n pin 1414a, reverse PIN n-1 pin 1413a, ..., the anti-PIN 2 pin 1412a and the anti-PIN 1 pin 1411a are arranged in a one-to-one correspondence, and the staggered arrangement of the positive pin on the front side of the wire body 100 and the reverse pin on the reverse side of the wire body 100 is realized, thereby realizing the first golden finger. 110 is in agreement with the contact transmission signal of the second gold finger 120.
  • the contact transmission signals of the front side and the back side of the wire body 100 can be consistent, the design error is not easy, and the design is convenient.
  • the first wire 130 further includes a first insulating layer 132 and a second insulating layer 133 .
  • the first insulating layer 132 completely covers the reverse side of the first wiring layer 131.
  • Said a second insulating layer 133 covers a front surface of the first wiring layer 131, and a first reserved pin is disposed between an end of the second insulating layer 133 and an end of the first wiring layer 131 The spacing is such that the end of the first wiring layer 131 is exposed to form the first gold finger 110.
  • the first wire 130 has a simple structure and is convenient to manufacture.
  • the second wire 140 further includes a third insulating layer 142.
  • the third insulating layer 142 covers the second wiring layer 141, and a second reserved pin is disposed between one end of the third insulating layer 142 and the corresponding end of the second wiring layer 141. The spacing is such that the end of the second wiring layer 141 is exposed to form the second gold finger 120.
  • the second wire 140 has a simple structure and is convenient to manufacture.
  • the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are all provided with a first pre- The hole 1315, and the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the first pre-punch 1315 on the nth line 1314 are sequentially arranged to face inward.
  • the first oblique line that is inclined.
  • the width of the second wire 140 matches the width of the first wire 130.
  • a mountain fold line 143 corresponding to the first inclined straight line is disposed on the second wire 140 at a position corresponding to the first wire 130.
  • the second wire 140 is provided with a valley fold line 144 passing through the inner end point of the mountain fold line 143 and extending in the width direction.
  • a second pre-punch hole 1415 is disposed on the first reverse line 1411, the second reverse line 1412, ..., the n-1 reverse line 1413, and the nth reverse line 1414 of the second wire 140,
  • the first reverse row lines 1411, ..., and the second pre-punch holes 1415 on the n/2th reverse line are sequentially arranged to form a second oblique straight line.
  • the second pre-punch holes 1415 on the n/2+1th reverse line, ..., the nth reverse line 1414 are sequentially arranged to form a third oblique straight line.
  • the second inclined straight line is disposed perpendicular to the mountain fold line 143 and passes through a midpoint of the mountain fold line 143.
  • the third oblique straight line is disposed in parallel with the mountain fold line 143 and passes through the valley fold line 144 away from the end point of the inner end point of the mountain fold line 143.
  • the second wire 140 is folded along the mountain fold line 143 and the valley fold line 144 in sequence, and is pressed against the first end of the reverse side of the first wire 130.
  • a first pre-punch 1315 on the upper line 1311, the second positive line 1312, ..., the n-1th line 1313, the nth positive line 1314, and the first reverse line 1411, the second opposite The second pre-punch 1415 on the upper line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 are turned on one by one. Where n is an even number.
  • the side where the end of the first wire 130 is located is the outer side, and the side where the middle portion of the first wire 130 is located is the inner side.
  • the mountain fold line 143 refers to a raised crease line
  • the valley fold line 144 refers to a concave crease line. In this embodiment, the angle between the valley fold line 144 and the mountain fold line 143 is 45°.
  • the second wire 140 is sequentially folded along the mountain fold line 143 and the valley fold line 144, and the back surface of the second wire 140 is buttedly connected to the back surface of the first wire 130, and the first positive line 1311 is provided.
  • the pre-punching holes on the n-1 reverse row 1413 and the n-th reverse row 1414 are turned on one by one, so that the ends of the wire body 100 form opposite first gold fingers 110 and second gold fingers 120.
  • the signals transmitted by the first gold finger 110 and the second gold finger 120 are consistent, so that the FFC line structure of the embodiment achieves the effect of uniform transmission signals by double-sided contact.
  • the shielding property is good, and failure such as short circuit is less likely to occur.
  • the length of the second wire 140 away from the end of the second gold finger 120 is matched with the width of the second wire 140 from the length of the valley line 144. Further, after the second wire 140 is sequentially folded along the valley line 144, the length of the second wire 140 away from the end of the second gold finger 120 is exactly matched with the width of the second wire 140, and the second wire 140 is matched. When pressed on the first wire 130, it can be overlapped with the first wire 130, so that the entire wire body 100 has good integrity and beautiful structure.
  • the first reverse row 1411, ..., the second pre-punch 1415 on the (n+1)/2 reverse line may be arranged to form a second tilt.
  • a straight line, a (n+1)/2+1 reverse line, ..., a second pre-punch 1415 on the nth reverse line 1414 is sequentially arranged to form a third oblique line; or a first reverse line 1411 is provided
  • the second pre-punch holes 1415 on the (n-1)/2th reverse line are sequentially arranged to form a second oblique straight line, the (n-1)/2+1 reverse line, ..., the nth reverse
  • the second pre-punch holes 1415 on the wire 1414 are sequentially arranged to form a third oblique straight line, and the above effects can also be achieved.
  • the second wire 140 may also be connected to the first wire 130 by other folding methods to achieve the same effect of transmitting signals on both sides, and is not limited to the above manner.
  • the first positive row 1311, the second positive row 1312, ..., the n-1th row 1313, and the first pre-punch 1315 on the nth row 1314 are respectively
  • the first reverse row 1411, the second reverse row 1412, ..., the n-1th reverse line 1413, and the second pre-punch 1415 on the nth reverse line 1414 are electrically connected by a metal via.
  • the metal via process is used to achieve the conduction between the pre-punching holes. The process is simple and easy to manufacture.
  • both ends of the wire body 100 have a first gold finger 110 and a second gold finger 120.
  • a first gold finger 110 is formed on both ends of the first wiring layer 131.
  • the first positive row 1311, the second positive row 1312, ..., the n-1th row 1313, and the nth row of wires 1314 are both provided with pre-punch holes, and the first positive row
  • the pre-punched holes at each end of the line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are sequentially arranged to form a first oblique straight line that is inclined toward the inside.
  • the second wire 140 corresponds to two pieces.
  • One of the second wires 140 is attached to the first end of the reverse side of the first wire 130, and the second gold finger 120 formed by the second wire layer 141 of the second wire 140 and the first wire 130
  • the first gold finger 110 of the first end corresponds.
  • the second wire 140 is attached to the second end of the reverse side of the first wire 130, and the second gold finger 120 formed by the second wire layer 141 of the second wire 140 is opposite to the first wire.
  • the first gold finger 110 of the second end of the 130 corresponds.
  • both ends of the FFC line structure of the present embodiment can achieve double-sided contact and transmit signal matching effects.
  • the distance between the pre-punch hole on the first positive line 1311 and the positive PIN 1 pin 1311a is ⁇ 5 mm. Further, when the pre-punch of the second wire 140 and the pre-perforation of the first wire 130 are pressed by the metal via, the pins of the gold finger are not damaged.
  • the end portion of the wire body 100 is provided with a fall-proof recess 150.
  • a manufacturing method for manufacturing the FFC line structure includes the following steps:
  • the first wire includes a first positive wire 1311, a second positive wire 1312, ..., an n-1th row 1313, and an nth row 1314, the first row of wires
  • the end portions of the first positive line 1312, the second positive line 1312, the third negative line 1313, and the nth positive line 1314 are formed to form a positive PIN 1 pin 1311a, a positive PIN 2 pin 1312a, ..., a positive
  • the PIN n-1 pin 1313a and the positive PIN n pin 1314a are respectively on the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314. Opening a first pre-punch 1315;
  • the second wire 140 includes a first reverse row 1411, a second reverse row 1412, ..., an n-1th reverse row 1413, and an nth reverse row 1414, the first reverse row
  • the ends of the line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 correspond to the reverse PIN 1 pin 1411a, the reverse PIN 2 pin 1412a, ...,
  • the reverse PIN n-1 pin 1413a and the reverse PIN n pin 1414a are on the first reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414.
  • Forming the wire body 100 pressing the metal wire of the second wire 140 to the back surface of the first wire 130, the first positive wire 1311, the second positive wire 1312, ..., the n-1th row 1313, the first The first pre-punch 1315 on the n positive line 1314 and the second reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the second on the nth reverse line 1414
  • the pre-punch 1415 is turned on one by one, and the positive PIN 1 pin 1311a, the positive PIN 2 pin 1312a, ..., the positive PIN n-1 pin 1313a, the positive PIN n pin 1314a and the reverse PIN n pin 1414a,
  • the reverse PIN n-1 pin 1413a, ..., the reverse PIN 2 pin 1412a, and the reverse PIN 1 pin 1411a are arranged in a one-to-one correspondence; wherein n is a positive integer and n ⁇ 2.
  • the two pins 1412a and the reverse PIN 1 pin 1411a are arranged in a one-to-one correspondence, so that the contact transmission signals of the first gold finger 110 and the second gold finger 120 can be made uniform, and the obtained FFC line structure can be realized at the end when used. Double-sided contact and the effect of the transmission signal is consistent.
  • the FFC line structure manufactured by the manufacturing method does not need to be considered and used in PCBA, etc. Whether the contact is a reinforcing plate surface or a gold finger surface is especially suitable for complex wiring design, and it is not easy to have design errors.

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Abstract

An FFC structure and a manufacturing method therefor. The FFC structure comprises a wire body (100); an end portion of the wire body (100) is provided with a first golden finger (110) and a second golden finger (120) disposed opposite to the first golden finger (110); a contact transmission signal of the first golden finger (110) is consistent with that of the second golden finger (120). According to the FFC structure and the manufacturing method therefor, the end portion of the wire body (100) is provided with the first golden finger (110) and the second golden finger (120), and the contact transmission signal of the first golden finger (110) is set to be consistent with that of the second golden finger (120); when the FFC structure is used, the end portion of the FFC structure can realize double-sided contact and realize the effect of consistent transmission signals. Compared with the structure of a traditional FFC, of which the end portion is provided with a golden finger at one surface and a reinforced plate surface at the other surface, when the FFC structure is used, whether the reinforced plate surface or golden finger surface contacts with a PCBA or the like does not need to be considered, thereby realizing an effective foolproof effect. The FFC structure is especially suitable for complex wiring design, and design errors are not easily caused.

Description

FFC线结构及其制造方法FFC line structure and manufacturing method thereof 技术领域Technical field
本发明涉及数据线缆技术领域，尤其涉及一种FFC线结构及其制造方法。The present invention relates to the field of data cable technologies, and in particular, to an FFC line structure and a method of fabricating the same.
背景技术Background technique
FFC(Flexible Flat Cable，柔性扁平电缆)是一种用绝缘材料和极薄的镀锡扁平铜线，通过高科技自动化设备生产线压合而成的新型数据线缆，具有柔软、随意弯曲折叠、厚度薄、体积小、连接简单、拆卸方便、易解决电磁屏蔽(EMI)等优点，被广泛用作数据传输线缆。传统的，FFC线使用时，需要反复弯折FFC线使线材达到设计的弯折，从而满足金手指与补强板面的同面、异面需求。但是，在应用于复杂一点的走线设计时，容易出现设计错误，即出现金手指面、补强板面与设计要求不符的情况。FFC (Flexible Flat Cable) is a new type of data cable that is pressed together with a high-tech automated equipment line using insulating materials and extremely thin tin-plated flat copper wire. It has soft, random bending and thickness. It is widely used as a data transmission cable because of its advantages of thinness, small size, simple connection, convenient disassembly, and easy solution to electromagnetic shielding (EMI). Conventionally, when the FFC line is used, it is necessary to repeatedly bend the FFC line to make the wire reach the design bend, thereby satisfying the same-sided and different-faced requirements of the gold finger and the reinforcing plate surface. However, when applied to a complicated trace design, design errors are likely to occur, that is, the golden finger surface and the reinforcing surface are inconsistent with the design requirements.
发明内容Summary of the invention
基于此，有必要提供一种FFC线结构及其制造方法，该FFC线结构及其制造方法可实现双面接触达到信号传输一致的效果，使用时不易出现设计错误。Based on this, it is necessary to provide an FFC line structure and a manufacturing method thereof, and the FFC line structure and the manufacturing method thereof can achieve the effect of uniform signal transmission by double-sided contact, and design errors are not easy to occur when used.
其技术方案如下：Its technical solutions are as follows:
一种FFC线结构，包括线材本体，所述线材本体的端部具有第一金手指和与所述第一金手指相对设置的第二金手指，所述第一金手指与所述第二金手指的接触传输信号一致。An FFC wire structure comprising a wire body, the end of the wire body having a first gold finger and a second gold finger disposed opposite to the first gold finger, the first gold finger and the second gold The contact transmission signal of the finger is consistent.
在其中一个实施例中，所述线材本体包括第一线材以及贴设在所述第一线材的反面端部的第二线材，所述第一线材包括第一排线层，所述第一排线层包括第一正排线、第二正排线、……、第n-1正排线以及第n正排线，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线的端部对应形成正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚，所述正PIN1引脚、正PIN2引脚、……、正PINn-1引脚和正PINn引脚形成所述第一金手指；In one embodiment, the wire body includes a first wire and a second wire attached to a reverse end of the first wire, the first wire including a first wire layer, the first row The line layer includes a first positive line, a second positive line, ..., an n-1th line, and an nth line, the first line, the second line, ..., The end of the n-1 positive line and the nth positive line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n pin, and the positive PIN a first pin is formed by a 1- pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, and a positive PIN n pin;
所述第二线材包括第二排线层，所述第二排线层包括第一反排线、第二反 排线、……、第n-1反排线以及第n反排线，所述第一反排线、第二反排线、……、第n-1反排线、第n反排线的端部对应形成反PIN1引脚、反PIN2引脚、……、反PINn-1引脚、反PINn引脚，所述反PIN1引脚、反PIN2引脚、……、反PINn-1引脚和反PINn引脚形成第二金手指；The second wire includes a second wire layer, and the second wire layer includes a first reverse row, a second reverse row, ..., an n-1th row, and an nth row. The ends of the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line correspond to form an inverse PIN 1 pin, an inverse PIN 2 pin, ..., a reverse PIN n-1 pin, anti-PIN n pin, the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin and the reverse PIN n pin form a second gold finger;
所述第一正排线、第二正排线、……、第n-1正排线、第n正排线分别与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线一一对应导通，所述正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚与所述反PINn引脚、反PINn-1引脚、……、反PIN2引脚、反PIN1引脚一一对应相对设置；The first positive line, the second positive line, ..., the n-1th line, and the nth line are respectively associated with the first reverse line, the second reverse line, ..., The n-1 reverse line and the nth reverse line are turned on one by one, and the positive PIN 1 pin, the positive PIN 2 pin, ..., the positive PIN n-1 pin, the positive PIN n pin and the The reverse PIN n pin, the reverse PIN n-1 pin, ..., the reverse PIN 2 pin, and the reverse PIN 1 pin are arranged in a one-to-one correspondence;
其中，n为正整数，且n≥2。Where n is a positive integer and n≥2.
在其中一个实施例中，所述第一线材还包括第一绝缘层和第二绝缘层，所述第一绝缘层完全覆盖所述第一排线层的反面，所述第二绝缘层覆盖所述第一排线层的正面，且所述第二绝缘层的端部与所述第一排线层的端部之间设有第一预留引脚间距，使所述第一排线层的端部外露形成所述第一金手指。In one embodiment, the first wire further includes a first insulating layer and a second insulating layer, the first insulating layer completely covering a reverse side of the first wiring layer, and the second insulating layer covers the second insulating layer a front surface of the first wiring layer, and a first reserved lead pitch is disposed between an end of the second insulating layer and an end of the first wiring layer, so that the first wiring layer The exposed end portion forms the first gold finger.
在其中一个实施例中，所述第二线材还包括第三绝缘层，所述第三绝缘层覆盖所述第二排线层，且所述第三绝缘层的一端与所述第二排线层的对应端部之间设有第二预留引脚间距，使所述第二排线层的端部外露形成所述第二金手指。In one embodiment, the second wire further includes a third insulating layer, the third insulating layer covers the second wire layer, and one end of the third insulating layer and the second wire A second reserved lead pitch is disposed between the corresponding ends of the layer, such that the ends of the second wiring layer are exposed to form the second gold finger.
在其中一个实施例中，所述第一正排线、第二正排线、……、第n-1正排线以及第n正排线上均设有第一预打孔，且第一正排线、第二正排线、……、第n-1正排线以及第n正排线上的第一预打孔依次排列形成朝向内侧倾斜的第一倾斜直线；In one embodiment, the first positive line, the second positive line, the ..., the n-1th line, and the nth line are each provided with a first pre-punch, and the first The first pre-punch line on the positive line, the second side line, the n-1th line, and the nth line are sequentially arranged to form a first oblique line inclined toward the inner side;
所述第二线材的宽度与所述第一线材的宽度匹配，所述第二线材上在与所述第一线材相对应处设有与所述第一倾斜直线对应的山折线，所述第二线材上设有穿过所述山折线的内端点且沿宽度方向的谷折线，所述第二线材的第一反排线、第二反排线、……、第n-1反排线以及第n反排线上均设有第二预打孔，所述第一反排线、……、第n/2反排线上的第二预打孔依次排列形成第二倾斜直线，所述第n/2+1反排线、……、第n反排线上的第二预打孔依次排列形成 第三倾斜直线，所述第二倾斜直线与所述山折线垂直设置且穿过所述山折线的中点，所述第三倾斜直线与所述山折线平行设置且穿过所述谷折线远离山折线的内端点的端点；The width of the second wire is matched with the width of the first wire, and the second wire is provided with a mountain fold line corresponding to the first inclined straight line corresponding to the first wire, The second wire is provided with a valley line passing through the inner end point of the mountain fold line and extending in the width direction, and the first reverse line, the second reverse line, the ..., the n-1th line of the second wire And a second pre-punch hole is disposed on the nth reverse line, and the second pre-punch line on the first reverse line, ..., the n/2th line is sequentially arranged to form a second inclined line. The n/2+1 reverse line, ..., the second pre-punch on the nth reverse line are sequentially arranged. a third oblique straight line, the second inclined straight line is disposed perpendicular to the mountain fold line and passes through a midpoint of the mountain fold line, the third inclined straight line is disposed in parallel with the mountain fold line and is away from the valley fold line The end point of the inner end of the mountain fold line;
所述第二线材依次沿所述山折线、谷折线折叠后，压合在所述第一线材的反面的第一端，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔一一对应导通；其中，n为偶数。After the second wire is folded along the mountain fold line and the valley fold line, the first wire is pressed on the first end of the reverse side of the first wire, the first positive line, the second positive line, ..., the first N-1 positive line, first pre-punch on the nth positive line and the first reverse line, the second reverse line, ..., the n-1th line, the nth line The second pre-punch holes on the one-to-one are turned on; wherein n is an even number.
在其中一个实施例中，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔分别与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔通过金属过孔压合导通。In one embodiment, the first positive line, the second positive line, the ..., the n-1th line, and the first pre-punch on the nth line are respectively associated with the first The reverse line, the second reverse line, ..., the n-1th reverse line, and the second pre-punch line on the nth reverse line are pressed and conducted by the metal via.
在其中一个实施例中，所述第一正排线上的预打孔与所述正PIN1引脚之间的距离≥5mm。In one of the embodiments, the distance between the pre-punch on the first positive line and the positive PIN 1 pin is ≥5 mm.
在其中一个实施例中，所述线材本体的两端部均具有第一金手指和第二金手指，所述第一排线层的两端均形成有第一金手指，所述第一正排线、第二正排线、……、第n-1正排线以及第n正排线的两端上均设有预打孔，且第一正排线、第二正排线、……、第n-1正排线以及第n正排线上每端的预打孔依次排列形成朝向内侧倾斜的第一倾斜直线；In one embodiment, both ends of the wire body have a first gold finger and a second gold finger, and both ends of the first wire layer are formed with a first gold finger, the first positive Pre-punching is provided on both ends of the cable, the second positive cable, ..., the n-1th positive cable, and the nth positive cable, and the first positive cable, the second positive cable, ... ..., the n-1th positive line and the pre-punched holes at each end of the nth positive line are sequentially arranged to form a first inclined straight line inclined toward the inner side;
所述第二线材对应为两片，其中一片所述第二线材贴设在所述第一线材的反面的第一端，该第二线材的第二排线层形成的第二金手指与所述第一线材的第一端的第一金手指相对应；其中另一片所述第二线材贴设在所述第一线材的反面的第二端，该第二线材的第二排线层形成的第二金手指与所述第一线材的第二端的第一金手指相对应。The second wire corresponds to two pieces, wherein one piece of the second wire is attached to the first end of the reverse side of the first wire, and the second gold finger formed by the second wire layer of the second wire a first gold finger corresponding to the first end of the first wire; wherein the other second wire is attached to the second end of the reverse side of the first wire, and the second wire layer of the second wire is formed The second gold finger corresponds to the first gold finger of the second end of the first wire.
在其中一个实施例中，所述线材本体的端部设有防脱落凹槽。In one of the embodiments, the end of the wire body is provided with an anti-dropout groove.
一种制造所述的FFC线结构的制造方法，包括以下步骤：A method of fabricating the FFC line structure described above, comprising the steps of:
准备第一线材：第一线材包括第一正排线、第二正排线、……、第n-1正排线以及第n正排线，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线的端部对应形成正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚，在第一正排线、第二正排线、……、第n-1正排线以及第n正排线上 分别开设第一预打孔；Preparing the first wire: the first wire includes a first positive wire, a second positive wire, ..., an n-1th row and an nth row, the first row and the second row The ends of the line, ..., the n-1th positive line, and the nth positive line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n lead. a first pre-punch hole is respectively formed on the first positive line, the second positive line, ..., the n-1th line, and the nth line;
准备第二线材：第二线材包括第一反排线、第二反排线、……、第n-1反排线以及第n反排线，所述第一反排线、第二反排线、……、第n-1反排线、第n反排线的端部对应形成反PIN1引脚、反PIN2引脚、……、反PINn-1引脚、反PINn引脚，在第一反排线、第二反排线、……、第n-1反排线以及第n反排线上分别开设第二预打孔；Preparing a second wire: the second wire includes a first reverse row, a second reverse row, ..., an n-1th reverse row, and an nth reverse row, the first reverse row and the second reverse row The ends of the line, ..., the n-1th reverse line, and the nth reverse line correspond to the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin, and the reverse PIN n lead. a second pre-punch hole is respectively formed on the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line;
形成线材本体：将第二线材金属过孔压合在第一线材的背面，第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔与第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔一一对应导通，正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚与反PINn引脚、反PINn-1引脚、……、反PIN2引脚、反PIN1引脚一一对应相对设置；其中，n为正整数，且n≥2。Forming a wire body: pressing the second wire metal via on the back surface of the first wire, the first positive wire, the second positive wire, ..., the n-1th row, the nth row The first pre-punch is electrically connected to the first reverse row, the second reverse row, the n-1th reverse line, and the second pre-punch on the nth reverse line, and the positive PIN 1 Pin, positive PIN 2 pin, ..., positive PIN n-1 pin, positive PIN n pin and reverse PIN n pin, reverse PIN n-1 pin, ..., reverse PIN 2 pin, reverse The PIN 1 pins are one-to-one corresponding to the relative setting; where n is a positive integer and n ≥ 2.
本发明的有益效果在于：The beneficial effects of the invention are:
所述FFC线结构，通过在线材本体的端部设置第一金手指和第二金手指，并设置第一金手指与第二金手指的接触传输信号一致，该FFC线结构使用时，其端部可实现双面接触且达到传输信号一致的效果，相比于传统FFC线端部一面为金手指一面为补强板面的结构，所述FFC线结构使用时不需要考虑与PCBA等的接触是否为补强板面或是金手指面，能够起到有效的防呆作用，尤其适用于复杂走线设计，不易出现设计错误。The FFC line structure is configured to set a first gold finger and a second gold finger through the end of the wire body, and set a contact transmission signal of the first gold finger and the second gold finger, and when the FFC line structure is used, the end thereof The part can realize double-sided contact and achieve the same effect of transmitting signals. Compared with the structure of the end of the conventional FFC line, the side of the gold finger is a reinforcing plate surface, the FFC line structure does not need to consider contact with PCBA or the like when used. Whether it is a reinforcing plate surface or a gold finger surface, it can effectively prevent the problem, especially suitable for complex wiring design, and it is not easy to have design errors.
所述FFC线结构的制造方法，第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔与第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔一一对应导通，正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚与反PINn引脚、反PINn-1引脚、……、反PIN2引脚、反PIN1引脚一一对应相对设置，可实现第一金手指与第二金手指的接触传输信号一致，制造得到的FFC线结构，使用时其端部可实现双面接触且达到传输信号一致的效果，相比于传统FFC线端部一面为金手指一面为补强板面的结构，采用该制造方法制造得到的FFC线结构使用时不需要考虑与PCBA等的接触是否为补强板面或是金手指面，尤其适用于复杂走线设计，不易出现设 计错误。The manufacturing method of the FFC line structure, the first positive line, the second positive line, ..., the n-1th line, the first pre-punch and the first line of the nth line The second reverse line, ..., the n-1th reverse line, the second pre-punch on the nth reverse line are turned on one by one, the positive PIN 1 pin, the positive PIN 2 pin, ... The positive PIN n-1 pin, the positive PIN n pin and the reverse PIN n pin, the reverse PIN n-1 pin, ..., the reverse PIN 2 pin, and the reverse PIN 1 pin are arranged in one-to-one correspondence. The contact transmission signal of the first gold finger and the second gold finger is consistent, and the obtained FFC line structure can realize double-sided contact and achieve the same transmission signal consistency when used, compared with the end of the traditional FFC line. For the structure of the gold finger on the side of the reinforcing plate, the FFC wire structure manufactured by the manufacturing method does not need to consider whether the contact with the PCBA or the like is a reinforcing plate surface or a gold finger surface, and is particularly suitable for complex wiring. Design, not easy to design errors.
附图说明DRAWINGS
图1为本发明实施例所述的FFC线结构的结构示意图；1 is a schematic structural diagram of an FFC line structure according to an embodiment of the present invention;
图2为本发明实施例所述的FFC线结构的侧视图；2 is a side view showing the structure of an FFC line according to an embodiment of the present invention;
图3为本发明实施例所述的第一线材的正面结构示意图；3 is a schematic front view of a first wire according to an embodiment of the invention;
图4为本发明实施例所述的第二线材的正面结构示意图；4 is a schematic front view of a second wire according to an embodiment of the invention;
图5为本发明实施例所述的第二线材折叠后的结构示意图；FIG. 5 is a schematic structural view of a second wire after folding according to an embodiment of the present invention; FIG.
图6为本发明实施例所述的第一线材与第二线材压合后的结构示意图。FIG. 6 is a schematic structural view of a first wire and a second wire according to an embodiment of the present invention.
附图标记说明：Description of the reference signs:
100、线材本体，110、第一金手指，120、第二金手指，130、第一线材，131、第一排线层，1311、第一正排线，1311a、正PIN1引脚，1312、第二正排线，1312a、正PIN2引脚，1313、第n-1正排线，1313a、正PINn-1引脚，1314、第n正排线，1314a、正PINn引脚，1315、第一预打孔，132、第一绝缘层，133、第二绝缘层，140、第二线材，141、第二排线层，1411、第一反排线，1411a、反PIN1引脚，1412、第二反排线，1412a、反PIN2引脚，1413、第n-1反排线，1413a、反PINn-1引脚，1414、第n反排线，1414a、反PINn引脚，1415、第二预打孔，142、第三绝缘层，143、山折线，144、谷折线，150、防脱落凹槽。100, wire body, 110, first gold finger, 120, second gold finger, 130, first wire, 131, first cable layer, 1311, first positive cable, 1311a, positive PIN 1 pin, 1312 , second positive cable, 1312a, positive PIN 2 pin, 1313, n-1 positive cable, 1313a, positive PIN n-1 pin, 1314, nth positive cable, 1314a, positive PIN n pin , 1315, first pre-punch, 132, first insulating layer, 133, second insulating layer, 140, second wire, 141, second wire layer, 1411, first reverse line, 1411a, reverse PIN 1 Pin, 1412, second reverse line, 1412a, reverse PIN 2 pin, 1413, n-1 reverse line, 1413a, reverse PIN n-1 pin, 1414, nth reverse line, 1414a, reverse PIN n pin, 1415, second pre-punch, 142, third insulating layer, 143, mountain fold line, 144, valley fold line, 150, anti-drop groove.
具体实施方式Detailed ways
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施方式。相反地，提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be more fully understood.
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。相反，当元件被称作“直接在”另一元件“上”时，不存在中间元件。本文所使用的术语 “垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. Terms used in this article The words "vertical", "horizontal", "left", "right" and the like are for illustrative purposes only and are not meant to be the only embodiments.
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。本文所使用的术语“第一”、“第二”等在本文中用于区分对象，但这些对象不受这些术语限制。All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items. The terms "first," "second," and the like, as used herein, are used herein to distinguish between objects, but such objects are not limited by these terms.
如图1、图2所示，一种FFC线结构，包括线材本体100，所述线材本体100的端部具有第一金手指110和与所述第一金手指110相对设置的第二金手指120，所述第一金手指110与所述第二金手指120的接触传输信号一致。所述FFC线结构，通过在线材本体100的端部设置第一金手指110和第二金手指120，并设置第一金手指110与第二金手指120的接触传输信号一致，该FFC线结构使用时，其端部可实现双面接触且达到传输信号一致的效果，相比于传统FFC线端部一面为金手指一面为补强板面的结构，所述FFC线结构使用时不需要考虑与PCBA等的接触是否为补强板面或是金手指面，能够起到有效的防呆作用，尤其适用于复杂走线设计，不易出现设计错误。此外，线材本体100的端部两面上分别为第一金手指110与第二金手指120，线材本体100端部强度较好，无需额外设置补强面板，能够节省制造成本。As shown in FIG. 1 and FIG. 2, an FFC line structure includes a wire body 100 having an end portion having a first gold finger 110 and a second gold finger disposed opposite to the first gold finger 110. 120. The first gold finger 110 and the second gold finger 120 have the same contact transmission signal. The FFC line structure is configured to provide a first gold finger 110 and a second gold finger 120 through the end of the wire body 100, and set a contact transmission signal of the first gold finger 110 and the second gold finger 120, the FFC line structure When used, the end portion can achieve double-sided contact and achieve the same effect of transmitting signals. Compared with the structure where the gold finger side is a reinforcing plate surface on one end of the conventional FFC line, the FFC line structure does not need to be considered when used. Whether the contact with PCBA or the like is a reinforcing plate surface or a gold finger surface can effectively prevent the problem, especially suitable for complex wiring design, and is not easy to cause design errors. In addition, the two ends of the wire body 100 are the first gold finger 110 and the second gold finger 120 respectively, and the end of the wire body 100 has good strength, and no additional reinforcing panel is needed, which can save manufacturing cost.
进一步地，所述线材本体100包括第一线材130以及贴设在所述第一线材130的反面端部的第二线材140。如图2、图3所示，所述第一线材130包括第一排线层131，所述第一排线层131包括第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314。所述第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314的端部对应形成正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a、正PINn引脚1314a。所述正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a和正PINn引脚1314a形成所述第一金手指110。如图2、图4所示，所述第二线材140包括第二排线层141，所述第二排线层141包括第一反排线1411、 第二反排线1412、……、第n-1反排线1413以及第n反排线1414。所述第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414的端部对应形成反PIN1引脚1411a、反PIN2引脚1412a、……、反PINn-1引脚1413a、反PINn引脚1414a。所述反PIN1引脚1411a、反PIN2引脚1412a、……、反PINn-1引脚1413a、反PINn引脚1414a形成第二金手指120。如图2、图3、图4、图6所示，所述第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314分别与所述第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414一一对应导通，即第一正排线1311与第一反排线1411导通，第二正排线1312与第二反排线1412导通，……第n-1正排线1313与第n-1反排线1413导通，第n正排线1314与第n反排线1414导通。所述正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a和正PINn引脚1314a与所述反PINn引脚1414a、反PINn-1引脚1413a、……、反PIN2引脚1412a、反PIN1引脚1411a一一对应相对设置，即正PIN1引脚1311a与反PINn引脚1414a相对设置，正PIN2引脚1312a与反PINn-1引脚1413a相对设置，……，正PINn-1引脚1313a与反PIN2引脚1412a相对设置，正PINn引脚1314a与反PIN1引脚1411a相对设置。其中，n为正整数，且n≥2。Further, the wire body 100 includes a first wire 130 and a second wire 140 attached to a reverse end of the first wire 130. As shown in FIG. 2 and FIG. 3, the first wire 130 includes a first wire layer 131, and the first wire layer 131 includes a first positive wire 1311, a second positive wire 1312, ..., The n-1 positive line 1313 and the nth positive line 1314. The ends of the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are formed to form a positive PIN 1 pin 1311a, a positive PIN 2 lead. Pin 1312a, ..., positive PIN n-1 pin 1313a, positive PIN n pin 1314a. The positive PIN 1 pin 1311a, the positive PIN 2 pin 1312a, ..., the positive PIN n-1 pin 1313a, and the positive PIN n pin 1314a form the first gold finger 110. As shown in FIG. 2 and FIG. 4, the second wire 140 includes a second wire layer 141, and the second wire layer 141 includes a first reverse row 1411, a second reverse row 1412, ..., The n-1 reverse line 1413 and the nth reverse line 1414. The ends of the first reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 are formed corresponding to the reverse PIN 1 pin 1411a, and the reverse PIN 2 lead A pin 1412a, ..., an inverted PIN n-1 pin 1413a, and an inverted PIN n pin 1414a. The reverse PIN 1 pin 1411a, the reverse PIN 2 pin 1412a, ..., the reverse PIN n-1 pin 1413a, and the reverse PIN n pin 1414a form a second gold finger 120. As shown in FIG. 2, FIG. 3, FIG. 4, and FIG. 6, the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are respectively The first reverse line 1411, the second reverse line 1412, ..., the n-1 reverse line 1413, and the nth reverse line 1414 are in one-to-one correspondence, that is, the first positive line 1311 and the first The reverse line 1411 is turned on, the second positive line 1312 is turned on and the second reverse line 1412 is turned on, ... the n-1th line 1313 and the n-1th line 1413 are turned on, the nth row The line 1314 is electrically connected to the nth reverse line 1414. The positive PIN 1 pin 1311a, the positive PIN 2 pin 1312a, ..., the positive PIN n-1 pin 1313a and the positive PIN n pin 1314a and the reverse PIN n pin 1414a, the reverse PIN n-1 pin 1413a, ..., anti-PIN 2 pin 1412a, anti-PIN 1 pin 1411a one-to-one corresponding setting, that is, positive PIN 1 pin 1311a and anti-PIN n pin 1414a are oppositely set, positive PIN 2 pin 1312a and anti-PIN The n-1 pin 1413a is oppositely disposed, ..., the positive PIN n-1 pin 1313a is disposed opposite to the reverse PIN 2 pin 1412a, and the positive PIN n pin 1314a is disposed opposite to the reverse PIN 1 pin 1411a. Where n is a positive integer and n≥2.
采用上述结构，第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314分别与第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414一一对应导通，可实现第一线材130上的各排线与第二线材140上的相应排线的信号连通，正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a、正PINn引脚1314a与反PINn引脚1414a、反PINn-1引脚1413a、……、反PIN2引脚1412a、反PIN1引脚1411a一一对应相对设置，实现线材本体100正面的正引脚与线材本体100反面的反引脚的交错设置，进而实现第一金手指110与第二金手指120的接触传输信号一致。本实施例的线材本体100使用时，可实现线材本体100正面与反面的接触传输信号一致，不易出现设计错误，设计方便。With the above structure, the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are respectively opposite to the first reverse line 1411 and the second reverse line 1412, ..., the n-1th reverse line 1413 and the nth reverse line 1414 are turned on one-to-one, and the signal connection between each line on the first wire 130 and the corresponding line on the second wire 140 can be realized. , positive PIN 1 pin 1311a, positive PIN 2 pin 1312a, ..., positive PIN n-1 pin 1313a, positive PIN n pin 1314a and reverse PIN n pin 1414a, reverse PIN n-1 pin 1413a, ..., the anti-PIN 2 pin 1412a and the anti-PIN 1 pin 1411a are arranged in a one-to-one correspondence, and the staggered arrangement of the positive pin on the front side of the wire body 100 and the reverse pin on the reverse side of the wire body 100 is realized, thereby realizing the first golden finger. 110 is in agreement with the contact transmission signal of the second gold finger 120. When the wire body 100 of the embodiment is used, the contact transmission signals of the front side and the back side of the wire body 100 can be consistent, the design error is not easy, and the design is convenient.
本实施例中，如图2所示，所述第一线材130还包括第一绝缘层132和第二绝缘层133。所述第一绝缘层132完全覆盖所述第一排线层131的反面。所述 第二绝缘层133覆盖所述第一排线层131的正面，且所述第二绝缘层133的端部与所述第一排线层131的端部之间设有第一预留引脚间距，使所述第一排线层131的端部外露形成所述第一金手指110。第一线材130结构简单，制造方便。In this embodiment, as shown in FIG. 2 , the first wire 130 further includes a first insulating layer 132 and a second insulating layer 133 . The first insulating layer 132 completely covers the reverse side of the first wiring layer 131. Said a second insulating layer 133 covers a front surface of the first wiring layer 131, and a first reserved pin is disposed between an end of the second insulating layer 133 and an end of the first wiring layer 131 The spacing is such that the end of the first wiring layer 131 is exposed to form the first gold finger 110. The first wire 130 has a simple structure and is convenient to manufacture.
所述第二线材140还包括第三绝缘层142。所述第三绝缘层142覆盖所述第二排线层141，且所述第三绝缘层142的一端与所述第二排线层141的对应端部之间设有第二预留引脚间距，使所述第二排线层141的端部外露形成所述第二金手指120。第二线材140结构简单，制造方便。The second wire 140 further includes a third insulating layer 142. The third insulating layer 142 covers the second wiring layer 141, and a second reserved pin is disposed between one end of the third insulating layer 142 and the corresponding end of the second wiring layer 141. The spacing is such that the end of the second wiring layer 141 is exposed to form the second gold finger 120. The second wire 140 has a simple structure and is convenient to manufacture.
进一步地，如图3所示，所述第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314上均设有第一预打孔1315，且第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314上的第一预打孔1315依次排列形成朝向内侧倾斜的第一倾斜直线。如图4所示，所述第二线材140的宽度与所述第一线材130的宽度匹配。所述第二线材140上在与所述第一线材130相对应处设有与所述第一倾斜直线对应的山折线143。所述第二线材140上设有穿过所述山折线143的内端点且沿宽度方向的谷折线144。所述第二线材140的第一反排线1411、第二反排线1412、……、第n-1反排线1413以及第n反排线1414上均设有第二预打孔1415，所述第一反排线1411、……、第n/2反排线上的第二预打孔1415依次排列形成第二倾斜直线。所述第n/2+1反排线、……、第n反排线1414上的第二预打孔1415依次排列形成第三倾斜直线。所述第二倾斜直线与所述山折线143垂直设置且穿过所述山折线143的中点。所述第三倾斜直线与所述山折线143平行设置且穿过所述谷折线144远离山折线143的内端点的端点。如图5、图6所示，所述第二线材140依次沿所述山折线143、谷折线144折叠后，压合在所述第一线材130的反面的第一端，所述第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314上的第一预打孔1315与所述第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414上的第二预打孔1415一一对应导通。其中，n为偶数。第一线材130的端部所在一侧为外侧，第一线材130的中部所在一侧为内侧。山折线143是指凸起的折痕线，谷折线144是指凹下的折痕线。本实施例中，所述谷折线144与所述山折线143之间的夹角为45°。 Further, as shown in FIG. 3, the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are all provided with a first pre- The hole 1315, and the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the first pre-punch 1315 on the nth line 1314 are sequentially arranged to face inward. The first oblique line that is inclined. As shown in FIG. 4, the width of the second wire 140 matches the width of the first wire 130. A mountain fold line 143 corresponding to the first inclined straight line is disposed on the second wire 140 at a position corresponding to the first wire 130. The second wire 140 is provided with a valley fold line 144 passing through the inner end point of the mountain fold line 143 and extending in the width direction. a second pre-punch hole 1415 is disposed on the first reverse line 1411, the second reverse line 1412, ..., the n-1 reverse line 1413, and the nth reverse line 1414 of the second wire 140, The first reverse row lines 1411, ..., and the second pre-punch holes 1415 on the n/2th reverse line are sequentially arranged to form a second oblique straight line. The second pre-punch holes 1415 on the n/2+1th reverse line, ..., the nth reverse line 1414 are sequentially arranged to form a third oblique straight line. The second inclined straight line is disposed perpendicular to the mountain fold line 143 and passes through a midpoint of the mountain fold line 143. The third oblique straight line is disposed in parallel with the mountain fold line 143 and passes through the valley fold line 144 away from the end point of the inner end point of the mountain fold line 143. As shown in FIG. 5 and FIG. 6 , the second wire 140 is folded along the mountain fold line 143 and the valley fold line 144 in sequence, and is pressed against the first end of the reverse side of the first wire 130. a first pre-punch 1315 on the upper line 1311, the second positive line 1312, ..., the n-1th line 1313, the nth positive line 1314, and the first reverse line 1411, the second opposite The second pre-punch 1415 on the upper line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 are turned on one by one. Where n is an even number. The side where the end of the first wire 130 is located is the outer side, and the side where the middle portion of the first wire 130 is located is the inner side. The mountain fold line 143 refers to a raised crease line, and the valley fold line 144 refers to a concave crease line. In this embodiment, the angle between the valley fold line 144 and the mountain fold line 143 is 45°.
采用上述结构，将第二线材140依次沿山折线143、谷折线144折叠后，将第二线材140的背面与第一线材130的背面对接压合连接，并使第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314上的预打孔与所述第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414上的预打孔一一对应导通，即可使得线材本体100的端部形成相对设置的第一金手指110和第二金手指120，并实现第一金手指110和第二金手指120传输信号一致，使得本实施例的FFC线结构实现双面接触达到传输信号一致的效果。此外，采用上述方式折叠后的第二线材140与第一线材130压合连接后，屏蔽性好，不易出现短路等故障。With the above configuration, the second wire 140 is sequentially folded along the mountain fold line 143 and the valley fold line 144, and the back surface of the second wire 140 is buttedly connected to the back surface of the first wire 130, and the first positive line 1311 is provided. a second positive line 1312, ..., an n-1th line 1313, a pre-punch on the nth line 1314, and the first reverse line 1411, a second reverse line 1412, ..., The pre-punching holes on the n-1 reverse row 1413 and the n-th reverse row 1414 are turned on one by one, so that the ends of the wire body 100 form opposite first gold fingers 110 and second gold fingers 120. The signals transmitted by the first gold finger 110 and the second gold finger 120 are consistent, so that the FFC line structure of the embodiment achieves the effect of uniform transmission signals by double-sided contact. In addition, after the second wire 140 folded in the above manner is press-fitted with the first wire 130, the shielding property is good, and failure such as short circuit is less likely to occur.
本实施例中，如图4所示，所述第二线材140远离所述第二金手指120的端部距离所述谷折线144的长度与所述第二线材140的宽度匹配。进而，当第二线材140依次沿谷折线144折叠后，第二线材140远离所述第二金手指120的端部距离谷折线144的长度刚好与第二线材140的宽度匹配，第二线材140压合在第一线材130上时，能够与第一线材130重合，使得整个线材本体100整体性好，结构美观。In this embodiment, as shown in FIG. 4, the length of the second wire 140 away from the end of the second gold finger 120 is matched with the width of the second wire 140 from the length of the valley line 144. Further, after the second wire 140 is sequentially folded along the valley line 144, the length of the second wire 140 away from the end of the second gold finger 120 is exactly matched with the width of the second wire 140, and the second wire 140 is matched. When pressed on the first wire 130, it can be overlapped with the first wire 130, so that the entire wire body 100 has good integrity and beautiful structure.
本实施例中，当n为奇数时，可设置所述第一反排线1411、……、第(n+1)/2反排线上的第二预打孔1415依次排列形成第二倾斜直线，第(n+1)/2+1反排线、……、第n反排线1414上的第二预打孔1415依次排列形成第三倾斜直线；或者设置第一反排线1411、……、第(n-1)/2反排线上的第二预打孔1415依次排列形成第二倾斜直线，第(n-1)/2+1反排线、……、第n反排线1414上的第二预打孔1415依次排列形成第三倾斜直线，也能实现上述效果。如图3、图4、图5、图6所示，示意出了n＝10时的情形。另外，所述第二线材140也可采用其他折叠方式与第一线材130连接，以达到正反两面传输信号一致的效果，不限于上述方式。In this embodiment, when n is an odd number, the first reverse row 1411, ..., the second pre-punch 1415 on the (n+1)/2 reverse line may be arranged to form a second tilt. a straight line, a (n+1)/2+1 reverse line, ..., a second pre-punch 1415 on the nth reverse line 1414 is sequentially arranged to form a third oblique line; or a first reverse line 1411 is provided The second pre-punch holes 1415 on the (n-1)/2th reverse line are sequentially arranged to form a second oblique straight line, the (n-1)/2+1 reverse line, ..., the nth reverse The second pre-punch holes 1415 on the wire 1414 are sequentially arranged to form a third oblique straight line, and the above effects can also be achieved. As shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6, the case where n=10 is shown. In addition, the second wire 140 may also be connected to the first wire 130 by other folding methods to achieve the same effect of transmitting signals on both sides, and is not limited to the above manner.
本实施例中，所述第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314上的第一预打孔1315分别与所述第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414上的第二预打孔1415通过金属过孔压合导通。采用金属过孔工艺实现各预打孔之间的导通， 工艺简单，制造方便。In this embodiment, the first positive row 1311, the second positive row 1312, ..., the n-1th row 1313, and the first pre-punch 1315 on the nth row 1314 are respectively The first reverse row 1411, the second reverse row 1412, ..., the n-1th reverse line 1413, and the second pre-punch 1415 on the nth reverse line 1414 are electrically connected by a metal via. The metal via process is used to achieve the conduction between the pre-punching holes. The process is simple and easy to manufacture.
本实施例中，如图2、图3、图4所示，所述线材本体100的两端部均具有第一金手指110和第二金手指120。所述第一排线层131的两端均形成有第一金手指110。所述第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314的两端上均设有预打孔，且第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314上每端的预打孔依次排列形成朝向内侧倾斜的第一倾斜直线。所述第二线材140对应为两片。其中一片所述第二线材140贴设在所述第一线材130的反面的第一端，该第二线材140的第二排线层141形成的第二金手指120与所述第一线材130的第一端的第一金手指110相对应。其中另一片所述第二线材140贴设在所述第一线材130的反面的第二端，该第二线材140的第二排线层141形成的第二金手指120与所述第一线材130的第二端的第一金手指110相对应。进而，本实施例的FFC线结构的两端均可实现双面接触且传输信号一致效果。In this embodiment, as shown in FIG. 2, FIG. 3 and FIG. 4, both ends of the wire body 100 have a first gold finger 110 and a second gold finger 120. A first gold finger 110 is formed on both ends of the first wiring layer 131. The first positive row 1311, the second positive row 1312, ..., the n-1th row 1313, and the nth row of wires 1314 are both provided with pre-punch holes, and the first positive row The pre-punched holes at each end of the line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314 are sequentially arranged to form a first oblique straight line that is inclined toward the inside. The second wire 140 corresponds to two pieces. One of the second wires 140 is attached to the first end of the reverse side of the first wire 130, and the second gold finger 120 formed by the second wire layer 141 of the second wire 140 and the first wire 130 The first gold finger 110 of the first end corresponds. The second wire 140 is attached to the second end of the reverse side of the first wire 130, and the second gold finger 120 formed by the second wire layer 141 of the second wire 140 is opposite to the first wire. The first gold finger 110 of the second end of the 130 corresponds. Furthermore, both ends of the FFC line structure of the present embodiment can achieve double-sided contact and transmit signal matching effects.
本实施例中，所述第一正排线1311上的预打孔与所述正PIN1引脚1311a之间的距离≥5mm。进而，将第二线材140的预打孔与第一线材130的预打孔进行金属过孔压合时，不会对金手指处的各引脚造成损坏。本实施例中，所述线材本体100的端部设有防脱落凹槽150，本实施例的FFC线结构与PCBA等进行插接接触时，可与PCBA接口的结构配合实现防脱落效果。In this embodiment, the distance between the pre-punch hole on the first positive line 1311 and the positive PIN 1 pin 1311a is ≥5 mm. Further, when the pre-punch of the second wire 140 and the pre-perforation of the first wire 130 are pressed by the metal via, the pins of the gold finger are not damaged. In this embodiment, the end portion of the wire body 100 is provided with a fall-proof recess 150. When the FFC line structure of the embodiment is in plug-in contact with the PCBA, the structure of the interface with the PCBA can be combined to achieve the anti-drop effect.
如图2、图3、图4、图6所示，一种制造所述的FFC线结构的制造方法，包括以下步骤：As shown in FIG. 2, FIG. 3, FIG. 4, and FIG. 6, a manufacturing method for manufacturing the FFC line structure includes the following steps:
准备第一线材130：第一线材包括第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314，所述第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314的端部对应形成正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a、正PINn引脚1314a，在第一正排线1311、第二正排线1312、……、第n-1正排线1313以及第n正排线1314上分别开设第一预打孔1315；Preparing the first wire 130: the first wire includes a first positive wire 1311, a second positive wire 1312, ..., an n-1th row 1313, and an nth row 1314, the first row of wires The end portions of the first positive line 1312, the second positive line 1312, the third negative line 1313, and the nth positive line 1314 are formed to form a positive PIN 1 pin 1311a, a positive PIN 2 pin 1312a, ..., a positive The PIN n-1 pin 1313a and the positive PIN n pin 1314a are respectively on the first positive line 1311, the second positive line 1312, ..., the n-1th line 1313, and the nth line 1314. Opening a first pre-punch 1315;
准备第二线材140：第二线材140包括第一反排线1411、第二反排线1412、……、第n-1反排线1413以及第n反排线1414，所述第一反排线1411、 第二反排线1412、……、第n-1反排线1413以及第n反排线1414的端部对应形成反PIN1引脚1411a、反PIN2引脚1412a、……、反PINn-1引脚1413a、反PINn引脚1414a，在第一反排线1411、第二反排线1412、……、第n-1反排线1413以及第n反排线1414上分别开设第二预打孔；Preparing the second wire 140: the second wire 140 includes a first reverse row 1411, a second reverse row 1412, ..., an n-1th reverse row 1413, and an nth reverse row 1414, the first reverse row The ends of the line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414 correspond to the reverse PIN 1 pin 1411a, the reverse PIN 2 pin 1412a, ..., The reverse PIN n-1 pin 1413a and the reverse PIN n pin 1414a are on the first reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the nth reverse line 1414. Separate second pre-punch holes;
形成线材本体100：将第二线材140金属过孔压合在第一线材130的背面，第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314上的第一预打孔1315与第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414上的第二预打孔1415一一对应导通，正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a、正PINn引脚1314a与反PINn引脚1414a、反PINn-1引脚1413a、……、反PIN2引脚1412a、反PIN1引脚1411a一一对应相对设置；其中，n为正整数，且n≥2。Forming the wire body 100: pressing the metal wire of the second wire 140 to the back surface of the first wire 130, the first positive wire 1311, the second positive wire 1312, ..., the n-1th row 1313, the first The first pre-punch 1315 on the n positive line 1314 and the second reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the second on the nth reverse line 1414 The pre-punch 1415 is turned on one by one, and the positive PIN 1 pin 1311a, the positive PIN 2 pin 1312a, ..., the positive PIN n-1 pin 1313a, the positive PIN n pin 1314a and the reverse PIN n pin 1414a, The reverse PIN n-1 pin 1413a, ..., the reverse PIN 2 pin 1412a, and the reverse PIN 1 pin 1411a are arranged in a one-to-one correspondence; wherein n is a positive integer and n ≥ 2.
所述FFC线结构的制造方法，第一正排线1311、第二正排线1312、……、第n-1正排线1313、第n正排线1314上的第一预打孔1315与第一反排线1411、第二反排线1412、……、第n-1反排线1413、第n反排线1414上的第二预打孔1415一一对应导通，正PIN1引脚1311a、正PIN2引脚1312a、……、正PINn-1引脚1313a、正PINn引脚1314a与反PINn引脚1414a、反PINn-1引脚1413a、……、反PIN2引脚1412a、反PIN1引脚1411a一一对应相对设置，可实现第一金手指110与第二金手指120的接触传输信号一致，制造得到的FFC线结构，使用时其端部可实现双面接触且达到传输信号一致的效果，相比于传统FFC线端部一面为金手指一面为补强板面的结构，采用该制造方法制造得到的FFC线结构使用时不需要考虑与PCBA等的接触是否为补强板面或是金手指面，尤其适用于复杂走线设计，不易出现设计错误。The manufacturing method of the FFC line structure, the first positive row 1311, the second positive row 1312, ..., the n-1th row 1313, the first pre-punch 1315 on the nth row 1314 and The first reverse line 1411, the second reverse line 1412, ..., the n-1th reverse line 1413, and the second pre-punch 1415 on the nth reverse line 1414 are turned on one by one, and the positive PIN 1 is cited. Pin 1311a, positive PIN 2 pin 1312a, ..., positive PIN n-1 pin 1313a, positive PIN n pin 1314a and reverse PIN n pin 1414a, reverse PIN n-1 pin 1413a, ..., reverse PIN The two pins 1412a and the reverse PIN 1 pin 1411a are arranged in a one-to-one correspondence, so that the contact transmission signals of the first gold finger 110 and the second gold finger 120 can be made uniform, and the obtained FFC line structure can be realized at the end when used. Double-sided contact and the effect of the transmission signal is consistent. Compared with the structure where the gold finger side is the reinforcing plate surface on the side of the conventional FFC line, the FFC line structure manufactured by the manufacturing method does not need to be considered and used in PCBA, etc. Whether the contact is a reinforcing plate surface or a gold finger surface is especially suitable for complex wiring design, and it is not easy to have design errors.
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改 进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。 The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the inventive concept. These are all within the scope of protection of the present invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims (10)

  1. 一种FFC线结构，其特征在于，包括线材本体，所述线材本体的端部具有第一金手指和与所述第一金手指相对设置的第二金手指，所述第一金手指与所述第二金手指的接触传输信号一致。An FFC wire structure, comprising: a wire body, the end of the wire body having a first gold finger and a second gold finger disposed opposite to the first gold finger, the first gold finger and the The contact transmission signals of the second gold finger are identical.
  2. 根据权利要求1所述的FFC线结构，其特征在于，所述线材本体包括第一线材以及贴设在所述第一线材的反面端部的第二线材，所述第一线材包括第一排线层，所述第一排线层包括第一正排线、第二正排线、……、第n-1正排线以及第n正排线，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线的端部对应形成正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚，所述正PIN1引脚、正PIN2引脚、……、正PINn-1引脚和正PINn引脚形成所述第一金手指；The FFC wire structure according to claim 1, wherein the wire body comprises a first wire and a second wire attached to a reverse end of the first wire, the first wire comprising a first row a line layer, the first line layer includes a first positive line, a second positive line, ..., an n-1th line, and an nth line, the first line and the second line The end of the positive line, ..., the n-1th line, and the end of the nth line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n pin, the positive PIN 1 pin, the positive PIN 2 pin, ..., the positive PIN n-1 pin and the positive PIN n pin form the first gold finger;
    所述第二线材包括第二排线层，所述第二排线层包括第一反排线、第二反排线、……、第n-1反排线以及第n反排线，所述第一反排线、第二反排线、……、第n-1反排线、第n反排线的端部对应形成反PIN1引脚、反PIN2引脚、……、反PINn-1引脚、反PINn引脚，所述反PIN1引脚、反PIN2引脚、……、反PINn-1引脚和反PINn引脚形成第二金手指；The second wire includes a second wire layer, and the second wire layer includes a first reverse row, a second reverse row, ..., an n-1th row, and an nth row. The ends of the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line correspond to form an inverse PIN 1 pin, an inverse PIN 2 pin, ..., a reverse PIN n-1 pin, anti-PIN n pin, the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin and the reverse PIN n pin form a second gold finger;
    所述第一正排线、第二正排线、……、第n-1正排线、第n正排线分别与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线一一对应导通，所述正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚与所述反PINn引脚、反PINn-1引脚、……、反PIN2引脚、反PIN1引脚一一对应相对设置；The first positive line, the second positive line, ..., the n-1th line, and the nth line are respectively associated with the first reverse line, the second reverse line, ..., The n-1 reverse line and the nth reverse line are turned on one by one, and the positive PIN 1 pin, the positive PIN 2 pin, ..., the positive PIN n-1 pin, the positive PIN n pin and the The reverse PIN n pin, the reverse PIN n-1 pin, ..., the reverse PIN 2 pin, and the reverse PIN 1 pin are arranged in a one-to-one correspondence;
    其中，n为正整数，且n≥2。Where n is a positive integer and n≥2.
  3. 根据权利要求2所述的FFC线结构，其特征在于，所述第一线材还包括第一绝缘层和第二绝缘层，所述第一绝缘层完全覆盖所述第一排线层的反面，所述第二绝缘层覆盖所述第一排线层的正面，且所述第二绝缘层的端部与所述第一排线层的端部之间设有第一预留引脚间距，使所述第一排线层的端部外露形成所述第一金手指。 The FFC line structure according to claim 2, wherein the first wire further comprises a first insulating layer and a second insulating layer, the first insulating layer completely covering a reverse side of the first wiring layer, The second insulating layer covers a front surface of the first wiring layer, and a first reserved pin pitch is disposed between an end of the second insulating layer and an end of the first wiring layer. Exposing an end of the first wiring layer to form the first gold finger.
  4. 根据权利要求3所述的FFC线结构，其特征在于，所述第二线材还包括第三绝缘层，所述第三绝缘层覆盖所述第二排线层，且所述第三绝缘层的一端与所述第二排线层的对应端部之间设有第二预留引脚间距，使所述第二排线层的端部外露形成所述第二金手指。The FFC line structure according to claim 3, wherein the second wire further comprises a third insulating layer, the third insulating layer covers the second wiring layer, and the third insulating layer A second reserved pin pitch is disposed between one end and the corresponding end of the second wire layer, such that an end of the second wire layer is exposed to form the second gold finger.
  5. 根据权利要求4所述的FFC线结构，其特征在于，所述第一正排线、第二正排线、……、第n-1正排线以及第n正排线上均设有第一预打孔，且第一正排线、第二正排线、……、第n-1正排线以及第n正排线上的第一预打孔依次排列形成朝向内侧倾斜的第一倾斜直线；The FFC line structure according to claim 4, wherein the first positive line, the second positive line, ..., the n-1th line, and the nth line are provided with a first a pre-punched hole, and the first positive line, the second positive line, ..., the n-1th line, and the first pre-punch line on the nth line are sequentially arranged to form a first slope toward the inner side Tilt straight line
    所述第二线材的宽度与所述第一线材的宽度匹配，所述第二线材上在与所述第一线材相对应处设有与所述第一倾斜直线对应的山折线，所述第二线材上设有穿过所述山折线的内端点且沿宽度方向的谷折线，所述第二线材的第一反排线、第二反排线、……、第n-1反排线以及第n反排线上均设有第二预打孔，所述第一反排线、……、第n/2反排线上的第二预打孔依次排列形成第二倾斜直线，所述第n/2+1反排线、……、第n反排线上的第二预打孔依次排列形成第三倾斜直线，所述第二倾斜直线与所述山折线垂直设置且穿过所述山折线的中点，所述第三倾斜直线与所述山折线平行设置且穿过所述谷折线远离山折线的内端点的端点；The width of the second wire is matched with the width of the first wire, and the second wire is provided with a mountain fold line corresponding to the first inclined straight line corresponding to the first wire, The second wire is provided with a valley line passing through the inner end point of the mountain fold line and extending in the width direction, and the first reverse line, the second reverse line, the ..., the n-1th line of the second wire And a second pre-punch hole is disposed on the nth reverse line, and the second pre-punch line on the first reverse line, ..., the n/2th line is sequentially arranged to form a second inclined line. The second pre-punch line on the n/2+1th anti-discharge line, ..., the nth reverse line is sequentially arranged to form a third oblique straight line, and the second oblique straight line is vertically disposed and passed through the mountain fold line a midpoint of the mountain fold line, the third oblique straight line is disposed in parallel with the mountain fold line and passes through the valley fold line away from an end point of an inner end point of the mountain fold line;
    所述第二线材依次沿所述山折线、谷折线折叠后，压合在所述第一线材的反面的第一端，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔一一对应导通；其中，n为偶数。After the second wire is folded along the mountain fold line and the valley fold line, the first wire is pressed on the first end of the reverse side of the first wire, the first positive line, the second positive line, ..., the first N-1 positive line, first pre-punch on the nth positive line and the first reverse line, the second reverse line, ..., the n-1th line, the nth line The second pre-punch holes on the one-to-one are turned on; wherein n is an even number.
  6. 根据权利要求5所述的FFC线结构，其特征在于，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔分别与所述第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔通过金属过孔压合导通。The FFC line structure according to claim 5, wherein the first positive line, the second positive line, ..., the n-1th line, and the first line on the nth line The second pre-punch holes on the first reverse line, the second reverse line, the n-1th reverse line, and the nth reverse line are respectively pressed and conducted through the metal via.
  7. 根据权利要求6所述的FFC线结构，其特征在于，所述第一正排线上的预打孔与所述正PIN1引脚之间的距离≥5mm。The FFC line structure according to claim 6, wherein a distance between the pre-punch hole on the first positive line and the positive PIN 1 pin is ≥ 5 mm.
  8. 根据权利要求7所述的FFC线结构，其特征在于，所述线材本体的两端 部均具有第一金手指和第二金手指，所述第一排线层的两端均形成有第一金手指，所述第一正排线、第二正排线、……、第n-1正排线以及第n正排线的两端上均设有预打孔，且第一正排线、第二正排线、……、第n-1正排线以及第n正排线上每端的预打孔依次排列形成朝向内侧倾斜的第一倾斜直线；The FFC line structure according to claim 7, wherein both ends of the wire body Each of the first gold finger and the second gold finger, the first gold wire is formed at both ends of the first wire layer, the first positive wire, the second positive wire, ..., the nth Pre-punch is provided on both ends of the -1 positive line and the nth positive line, and the first positive line, the second positive line, ..., the n-1th line, and the nth row The pre-punching holes at each end of the line are sequentially arranged to form a first inclined straight line inclined toward the inner side;
    所述第二线材对应为两片，其中一片所述第二线材贴设在所述第一线材的反面的第一端，该第二线材的第二排线层形成的第二金手指与所述第一线材的第一端的第一金手指相对应；其中另一片所述第二线材贴设在所述第一线材的反面的第二端，该第二线材的第二排线层形成的第二金手指与所述第一线材的第二端的第一金手指相对应。The second wire corresponds to two pieces, wherein one piece of the second wire is attached to the first end of the reverse side of the first wire, and the second gold finger formed by the second wire layer of the second wire a first gold finger corresponding to the first end of the first wire; wherein the other second wire is attached to the second end of the reverse side of the first wire, and the second wire layer of the second wire is formed The second gold finger corresponds to the first gold finger of the second end of the first wire.
  9. 根据权利要求1-8任一项所述的FFC线结构，其特征在于，所述线材本体的端部设有防脱落凹槽。The FFC line structure according to any one of claims 1 to 8, characterized in that the end portion of the wire body is provided with an anti-drop groove.
  10. 一种制造如权利要求1-9任一项所述的FFC线结构的制造方法，其特征在于，包括以下步骤：A method of fabricating an FFC line structure according to any of claims 1-9, comprising the steps of:
    准备第一线材：第一线材包括第一正排线、第二正排线、……、第n-1正排线以及第n正排线，所述第一正排线、第二正排线、……、第n-1正排线、第n正排线的端部对应形成正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚，在第一正排线、第二正排线、……、第n-1正排线以及第n正排线上分别开设第一预打孔；Preparing the first wire: the first wire includes a first positive wire, a second positive wire, ..., an n-1th row and an nth row, the first row and the second row The ends of the line, ..., the n-1th positive line, and the nth positive line form a positive PIN 1 pin, a positive PIN 2 pin, ..., a positive PIN n-1 pin, a positive PIN n lead. a first pre-punch hole is respectively formed on the first positive line, the second positive line, ..., the n-1th line, and the nth line;
    准备第二线材：第二线材包括第一反排线、第二反排线、……、第n-1反排线以及第n反排线，所述第一反排线、第二反排线、……、第n-1反排线、第n反排线的端部对应形成反PIN1引脚、反PIN2引脚、……、反PINn-1引脚、反PINn引脚，在第一反排线、第二反排线、……、第n-1反排线以及第n反排线上分别开设第二预打孔；Preparing a second wire: the second wire includes a first reverse row, a second reverse row, ..., an n-1th reverse row, and an nth reverse row, the first reverse row and the second reverse row The ends of the line, ..., the n-1th reverse line, and the nth reverse line correspond to the reverse PIN 1 pin, the reverse PIN 2 pin, ..., the reverse PIN n-1 pin, and the reverse PIN n lead. a second pre-punch hole is respectively formed on the first reverse line, the second reverse line, ..., the n-1th reverse line, and the nth reverse line;
    形成线材本体：将第二线材金属过孔压合在第一线材的背面，第一正排线、第二正排线、……、第n-1正排线、第n正排线上的第一预打孔与第一反排线、第二反排线、……、第n-1反排线、第n反排线上的第二预打孔一一对应导通，正PIN1引脚、正PIN2引脚、……、正PINn-1引脚、正PINn引脚与反PINn引脚、反PINn-1引脚、……、反PIN2引脚、反PIN1引脚一一对应相对设置；其中，n为 正整数，且n≥2。 Forming a wire body: pressing the second wire metal via on the back surface of the first wire, the first positive wire, the second positive wire, ..., the n-1th row, the nth row The first pre-punch is electrically connected to the first reverse row, the second reverse row, the n-1th reverse line, and the second pre-punch on the nth reverse line, and the positive PIN 1 Pin, positive PIN 2 pin, ..., positive PIN n-1 pin, positive PIN n pin and reverse PIN n pin, reverse PIN n-1 pin, ..., reverse PIN 2 pin, reverse The PIN 1 pins are one-to-one corresponding to the relative setting; where n is a positive integer and n ≥ 2.
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