WO2006038492A1 - 回路基板の接続構造及び回路基板の製造方法 - Google Patents
回路基板の接続構造及び回路基板の製造方法 Download PDFInfo
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- WO2006038492A1 WO2006038492A1 PCT/JP2005/017736 JP2005017736W WO2006038492A1 WO 2006038492 A1 WO2006038492 A1 WO 2006038492A1 JP 2005017736 W JP2005017736 W JP 2005017736W WO 2006038492 A1 WO2006038492 A1 WO 2006038492A1
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- terminal
- side edge
- circuit board
- terminals
- index
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0269—Marks, test patterns or identification means for visual or optical inspection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09381—Shape of non-curved single flat metallic pad, land or exposed part thereof; Shape of electrode of leadless component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09409—Multiple rows of pads, lands, terminals or dummy patterns; Multiple rows of mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09727—Varying width along a single conductor; Conductors or pads having different widths
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/166—Alignment or registration; Control of registration
Definitions
- the present invention relates to a circuit board connection structure and a circuit board manufacturing method.
- a TCP (Tape Carrier Package) is used to connect a liquid crystal panel to a printed circuit board.
- This TCP is roughly structured to mount a driver such as LSI on a flexible heat-resistant film and encapsulate it, and a conductive pattern with a predetermined pattern is formed on the surface of the film. It is formed with terminals lined up at both ends. These terminal groups are connected to terminals on the liquid crystal panel side and terminals on the printed circuit board via, for example, ACF (Anisotropic Conductive Film).
- ACF Application Frequeive Film
- a tape-shaped ACF is pasted on the part of the printed circuit board where the terminals are formed, and a TCP is placed on the ACF.
- a TCP is placed on the ACF.
- a visual inspection using a magnifying glass or the like is performed in order to inspect whether or not the connection is properly made.
- this visual inspection for example, whether or not both terminals are connected in a state where they are misaligned in the width direction is visually inspected, and the amount of misalignment exceeds the allowable range. For those that are determined to be improperly connected, such as those that are not properly connected, redo the crimping operation.
- Patent Documents 1 and 2 Conventional techniques relating to such visual inspection are described in Patent Documents 1 and 2 below.
- the one described in Patent Document 1 is that marks are formed on the liquid crystal panel and the TCP film, respectively, and are aligned with each other or after being pressed. A visual inspection of whether or not.
- the width dimension of the terminal on the printed circuit board side is set to the TCP side. This is set to be larger than the width dimension of the terminals, so that if both terminals are displaced to the left or right, the range of both terminals will overlap if the width dimension of both terminals overlaps. The shift can be easily recognized.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-9412
- Patent Document 2 JP 2004-87938 A
- Patent Documents 1 and 2 have the following problems. That is, in the method described in Patent Document 1, since it is necessary to print a mark on a liquid crystal panel or a printed board, it is necessary to add the printing process during the manufacturing process. There is a problem that it is necessary to secure a space for forming the mark.
- Patent Document 2 Although the method described in Patent Document 2 can increase the range in which both terminals do not overlap, it is still at the discretion of the operator who is still difficult to divide the amount of positional deviation between both terminals. It was the current situation that was left to. Therefore, there is a high possibility of inspection errors and it is difficult to determine the amount of misalignment.
- the present invention has been completed based on the above circumstances.
- a circuit board connection structure includes a first circuit board having a plurality of terminals arranged on the surface, and the terminals of the first circuit board.
- the side edge of the terminal of one of the circuit boards of 2 is provided with an indicator side edge formed in a form in which one part is recessed with another force or a form in which it protrudes. Has characteristics.
- the circuit board manufacturing method includes a first circuit board having a plurality of terminals arranged on the surface, and a plurality of terminals aligned with the terminals of the first circuit board arranged on the surface. 2nd circuit board with the corresponding terminals of both circuit boards superimposed on each other A method of manufacturing a circuit board to be connected to a terminal, wherein one of the first and second circuit boards has a shape in which a part of a side edge portion of the terminal is recessed or protruded by another partial force.
- a terminal forming step for forming a terminal having a shape having an index side edge, a positioning step for aligning a terminal of one circuit board with respect to a terminal formed on the other side of the circuit board, and both terminals It is characterized in that a connection process for connecting to each other and an inspection process for inspecting the displacement state of both terminals connected by visually observing the side edge of the indicator are performed.
- At least one of the two circuit boards is a translucent film substrate in which a predetermined non-turn conductive path is formed on the surface of the translucent film, and the inspection step is performed on the translucent film substrate side. It is preferable to carry out it visually. Thereby, the shift
- the amount of deviation between the terminals can be confirmed using the index side edge as a guide. Therefore, it is possible to easily determine whether or not the deviation amount is within the allowable range in the inspection, and the workability is also improved. Since the force is also used as an index using the terminal itself, it is not necessary to add a printing process and the board area can be effectively used compared with the case where a confirmation mark (index) is separately provided by printing or the like.
- FIG. 1 is a plan view of a liquid crystal display device according to Embodiment 1 of the present invention.
- FIG. 4 Enlarged plan view showing the state where both terminals are connected without displacement
- FIG.5 Enlarged plan view showing the case where both terminals are misaligned but the misalignment is within the allowable range
- FIG. 7 is an enlarged plan view of a TCP terminal according to Embodiment 2 of the present invention.
- FIG.8 Enlarged plan view showing the case where both terminals are displaced, but the amount of displacement is within the allowable range
- FIG. 9 Enlarged plan view showing the case where both terminals are misaligned and the misalignment amount exceeds the allowable range!
- FIG. 11 (A) Enlarged plan view showing the case where the TCP terminal is displaced to the left, but the displacement is within the allowable range. (B) The TCP terminal is displaced to the left, and the displacement is Enlarged plan view showing the case where the tolerance is exceeded!
- FIG. 12 (A) Enlarged plan view showing the case where the TCP terminal is displaced to the right, but the displacement is within the allowable range. (B) The TCP terminal is displaced to the right, and the displacement is Enlarged plan view showing the case where the tolerance is exceeded!
- FIG.14 (A) Enlarged plan view showing the case where both terminals are displaced but the amount of displacement is within the allowable range. (B) Both terminals are displaced and the amount of displacement exceeds the allowable range. ! /, Enlarged plan view showing the case
- FIG. 16 (A) Enlarged plan view showing the case where both terminals are displaced but the amount of displacement is within the allowable range. (B) Both terminals are displaced and the amount of displacement exceeds the allowable range. ! /, Enlarged plan view showing the case
- FIG. 18 (A) Enlarged plan view showing the case where the TCP terminal is displaced to the left side, but the displacement amount is within the allowable range. (B) The TCP terminal is displaced to the left side and the displacement amount is Enlarged plan view showing the case where the tolerance is exceeded!
- FIG. 19 (A) Enlarged plan view showing the case where the TCP terminal is displaced to the right, but the displacement is within the allowable range. (B) The TCP terminal is displaced to the right, and the displacement is Enlarged plan view showing the case where the tolerance is exceeded!
- FIG.21 (A) Enlarged plan view showing the case where the TCP terminal is displaced to the left, but the displacement is within the allowable range. (B) The TCP terminal is displaced to the left, and the displacement is Enlarged plan view showing the case where the tolerance is exceeded! [Fig.22] (A) Enlarged plan view showing the case where the TCP terminal is displaced to the right side, but the displacement is within the allowable range. (B) The TCP terminal is displaced to the right, and the amount of displacement is Enlarged plan view showing the case where the tolerance is exceeded!
- Embodiment 1 of the present invention will be described with reference to FIGS.
- the case where the printed circuit board 12 used in the liquid crystal display device 10 and a TCP 13 (Tape Carrier Package) are connected is exemplified.
- a liquid crystal display device 10 roughly includes a liquid crystal panel 11 using TFTs as switching elements, a printed circuit board 12 on which electrical components and the like are mounted, and the liquid crystal panel 11 and TCP 13 for connecting the printed circuit boards 12 to each other.
- the liquid crystal panel 11 has a configuration in which a liquid crystal layer is sandwiched between a pair of glass substrates that are supported in parallel while facing each other through a predetermined gap. A pair of polarizing plates is attached to the opposite surfaces of the glass substrates to the liquid crystal layer.
- a number of pixel electrodes connected to the TFT drain electrode are arranged in parallel with the TFT in a matrix, and The source wiring connected to the TFT source electrode and the gate wiring connected to the TFT gate electrode are provided so as to be orthogonal to each other while passing through the periphery of each pixel electrode.
- color filter layers for R, G, and B colors and counter electrodes are formed on the other glass substrate.
- a terminal group connected to the source wiring is arranged in parallel on the upper end portion of the glass substrate provided with TFTs and the like, and a terminal group connected to the gate wiring is arranged on the left and right end portions in the drawing. Are arranged in parallel, and TCP13 is connected to each of these terminal group arrangement regions.
- conductive paths 14 are formed in a predetermined pattern on the surface of the printed circuit board 12, and electrical components 15 such as resistors, diodes, and capacitors are mounted thereon, and other control boards
- a connector 16 is provided for connection to (not shown).
- a large number of terminals 17 connected to the conductive path are arranged in parallel at the end of the printed circuit board 12 on the side of the liquid crystal panel 11 (specifically, the position where the tip force is no longer retracted).
- TCP13 is connected to the formation area.
- Each terminal consists of a copper foil layer laminated on the surface of the printed circuit board 12, and is arranged in parallel with each other at a predetermined interval.
- the width dimension is, for example, about 0.22 mm. The size is assumed.
- the TCP 13 has a structure in which a driver 19 such as an LSI chip is mounted on the surface of a film 18 having excellent heat resistance, and this is sealed with grease.
- the film 18 is formed in a flexible thin film shape having translucency, and a conductive path 20 connected to the driver 19 is formed in a predetermined pattern on the surface thereof.
- a large number of terminals 21 connected to the conductive path 20 are arranged in parallel.
- the terminal group 21 arranged on one end of the TCP 13 is connected to the terminal group 17 of the printed circuit board 12, and the terminal group 21 arranged on the other end is connected to the terminal group of the liquid crystal panel 11 with an ACF (Anisotropic Conductive Film).
- An anisotropic conductive film An anisotropic conductive film), whereby the printed circuit board 12 and the liquid crystal panel 11 are electrically connected via the TCP 13. In FIG. 3, the liquid crystal panel terminals in TCP 13 are not shown.
- Each terminal 21 of TCP 13 is configured such that the surface of the copper foil laminated on the surface of film 18 is tinned, and is arranged side by side in parallel with each other at a predetermined interval. .
- the two terminals 21 are arranged in alignment with the terminals 17 of the printed circuit board 12 and the terminals of the liquid crystal panel 11, that is, the pitch of each terminal 21 is the pitch of the terminals 17 of the corresponding printed circuit board 12.
- the pitch of the terminals of the liquid crystal panel 11 is set to be substantially the same.
- each terminal 21 connected to the printed circuit board 12 is set to have a width smaller than that of the terminal 17 on the printed circuit board 12 side, and the size thereof is, for example, about 0.18 mm. .
- each terminal 21 for the printed circuit board 12 in the TCP 13 is an index (standard) when visually inspecting a deviation that may occur between the terminal 17 and the printed circuit board 12 at the time of connection.
- An indicator side edge 22 is provided.
- the indicator side edge portion 22 is a form in which the side edge portion of the terminal 21 is partially recessed, more specifically, a substantially trapezoidal concave portion is formed on the side edge portion of the terminal 21, and both left and right side edge portions of each terminal 21 are formed. Are provided in pairs.
- the indicator side edge portion 22 is formed so that a part of the side edge portion of the terminal 21 is shifted by a predetermined dimension along the width direction (arrangement direction of the terminal group).
- Both index side edge portions 22 are arranged in the middle of the terminal 21 in the longitudinal direction, and are arranged on the left and right sides of the terminal 21 along the longitudinal direction of the terminal 21 and shifted to the back side in the figure and the front side. Yes.
- the peripheral edge of each indicator side edge portion 22 includes a parallel portion 22a along the side edge 21a of the terminal 21 and a portion connecting the parallel portion 22a to the side edge 21a of the terminal 21 while forming an oblique line.
- the parallel portion 22 a is the portion of the peripheral edge of the indicator side edge portion 22 that is farthest from the side edge 21 a of the terminal 21.
- the recess width of both index side edge portions 22 is set to about 1Z2 of the width dimension of the terminal 21 of TCP13, and the parallel portion 22a on the peripheral edge is arranged at the center position in the width direction of the terminal 21 to form a straight line. ing. That is, the parallel portions 22a of the paired index side edge portions 22 are both located on a straight line parallel to the side edge 21a of the terminal 21.
- the connection work between the printed circuit board 12 and the TCP 13 includes a process for manufacturing the printed circuit board 12 and the TCP 13 (including a terminal forming process for forming the terminal 21 having the index side edge 22 on the TCP 13), and an ACF on the printed circuit board 12.
- ACF pasting process, positioning process for aligning the terminal 17 of the printed circuit board 12 and the terminal 21 of the TCP13, a connecting process for connecting the superimposed terminals 17 and 21, and both connected terminals This is done through an inspection process for inspecting 17 and 21 deviations.
- the TCP 13 obtained through the manufacturing process is connected to the liquid crystal panel 11 first.
- a tape-shaped ACF is pasted along the terminals 17 formed on the printed circuit board 12, and the upper force of the ACF separator is also temporarily crimped.
- the ACF separator is peeled off, and the end of the TCP 13 is placed on the ACF, and the terminal group 21 of the TCP 13 is aligned with the terminal group 17 of the printed circuit board 12.
- TCP13 is covered with a cushioning material, and its upper force is also heat-pressed with a crimping tool, so that TCP13 is fixed to the printed circuit board 12 and only the terminals 17 and 21 facing each other are stacked one above the other. Electrically connected by ACF conductive particles. These operations are automatically performed by a thermocompression bonding apparatus.
- connection process proceeds to an inspection process for visually inspecting whether or not the connection is properly performed using a magnifying glass.
- this inspection process if both terminals 17, 21 are connected in the width direction and are misaligned, they are misaligned!
- the amount of protrusion of the terminal 21 of TCP 13 from the side edge 17a of the 17) is inspected to determine whether the force is within the allowable range, and as a result, if it is determined that the connection is inappropriate, the repair process is started. It is turned and the crimping operation is performed again.
- the allowable displacement of both terminals 17, 21 in the width direction is set to 1Z2 of the width dimension of the terminal 21 of TCP13, that is, the same as the recess width of the index side edge portion 22. Yes.
- the reference value of the allowable displacement is set so that the connection resistance value between the terminals 17 and 21 does not exceed a predetermined value.
- the TCP 13 is formed of a translucent film 18 so that the terminal 17 of the printed circuit board 12 covered with the film 18 can also visually recognize the upward force.
- the left side edge 17a of the terminal 17 protrudes to the left side, and the left side edge 17a of the surface 12a of the printed circuit board 12 and the terminal 17 of the printed circuit board 12 is visible on the left side edge part 22 of the printed board 12, and the right side.
- the terminal 17 of the printed circuit board 12 is visually recognized at the indicator side edge 22.
- the terminal 17 of the printed circuit board 12 is between the parallel portion 22a on the peripheral edge of the index side edge 22 on the side (left side) of the terminal 21 of the TPC 13 and the side edge 17a of the terminal 17 of the printed circuit board 12. Is visible.
- both terminals 17 and 21 are connected in a state of being displaced in the width direction, the amount of displacement is within an allowable range, so it is determined that the connection has been made appropriately.
- the side edge 17a of the terminal 17 that should be visible if the allowable displacement is within the allowable range is not visually recognized, and the right index side edge 22 Then, the side edge 17a of the terminal 17 that should not be visually recognized can be visually recognized, that is, a change appears in both the indicator side edges 22, so in this case, the connection state of the terminals 17 and 21 is inappropriate. It is determined.
- the workability is also good. From this, it is possible to accurately and easily detect whether or not the force in which the positional deviation amount in the width direction of both terminals 17 and 21 is within the allowable range. Moreover, since the terminal 21 itself is used as an index, it is not necessary to add a printing process as compared with the case where a separate confirmation mark is provided on the TCP 13 or the printed board 12 by printing or the like, and the board area is reduced. It can be used effectively.
- the indicator side edge portion 22 is provided by forming a recess in the side edge portion of the terminal 17, the size of the terminal 21 increases as the indicator side edge portion 22 is provided.
- the navigating terminal 21 can be kept at the original width dimension, which is suitable for a group of terminals 21 having a narrow pitch.
- the indicator side edge portion 22 is provided on the side edge portions on both sides of the terminal 21, it is possible to cope with the positional deviation in both the left and right directions.
- the indicator side edge portion 22 (concave portion) is provided so as to form a pair on both side edge portions of the terminal 21 and to be displaced along the longitudinal direction of the terminal 21, and both indicator side edges forming the pair. Since the parallel part 22a, which is the part farthest from the side edge 21a of the part 22, is formed so as to be positioned on a straight line parallel to the side edge 21a, both when the amount of displacement exceeds the allowable range. A change appears at the side edge 22 of the indicator, which makes it easier to check visually.
- a second embodiment of the present invention will be described with reference to FIGS.
- an arrangement position of the index side edge 22A is changed.
- redundant description of the same structure, operation, and effects as those in the first embodiment will be omitted.
- the left index side edge 22A is arranged at the tip of the left side edge of the terminal 21 of TCP 13 as shown in FIG. That is, the indicator side edge portion 22A is formed so as to open in the direction in which the terminals 21 are arranged (leftward in the drawing) and also in the length direction of the terminals 21 (in the rearward in the drawing).
- the right index side edge 22A is arranged at a position shifted toward the front side in the figure in the length direction of the terminal 21, and is configured to open only in the arrangement direction (right side in the figure) of the terminals 21.
- the indicator side edge 22A is formed at the tip of the terminal 21 as described above, even if the terminal 21 is misaligned as shown in FIGS. Indicator side edge As soon as 22A is found, workability is improved.
- Embodiment 3 A third embodiment of the present invention will be described with reference to FIGS. In Embodiment 3, only one index side edge 22B is provided. In the third embodiment, the description of the same structure, operation, and effect as in the first embodiment will be omitted.
- one indicator side edge 22B is provided on the right side edge of the terminal 21.
- the recess width of the index side edge 22B is set to about 1Z2 which is the width of the terminal 21 of TCP13.
- a portion 22B a (a portion farthest from the side edge 21a of the terminal 21) parallel to the side edge 21a of the terminal 21 is arranged at the center in the width direction of the terminal 21.
- Embodiment 4 of the present invention will be described with reference to FIG. 13 or FIG.
- an indicator side edge 22C is provided on a terminal 17 on the printed circuit board 12 side.
- the redundant description of the same structure, operation, and effect as in the first embodiment will be omitted.
- a pair of indicator side edge portions 22C is provided on both side edge portions of the terminal 17 of the printed circuit board 12.
- Both the index side edge portions 22C are set to have a recess width of about 1Z2 which is the width dimension of the terminal 17 of the printed circuit board 12.
- the portion 22Ca (the portion farthest from the side edge 17a of the terminal 17) parallel to the side edge 17a of the terminal 17 is both the center position in the width direction of the terminal 17 and the terminal 17 It is arranged on a straight line along the side edge 17a.
- the allowable displacement in the width direction of both terminals 17 and 21 is the size (0.07 mm) obtained by subtracting 1Z2 of the width dimension of terminal 17 of printed circuit board 12 from the width dimension of terminal 21 of TCP13.
- the width dimension of terminal 21 is set to less than 2Z5.
- the left side edge 21a of the terminal 21 and the surface 12a of the printed circuit board 12 are present on the left index side edge 22C.
- the side edge 2 la of the terminal 21 is not visually recognized at the index side edge 22C on the right side, and the surface 12a of the printed circuit board 12 is visible.
- a change occurs in both index side edge portions 22C, so that the positional deviation amounts of the terminals 17 and 21 can be easily detected.
- Embodiment 5 of the present invention will be described with reference to FIG. 15 or FIG.
- a projection is provided on the terminal 21 of the TCP 13 as the indicator side edge 22D.
- overlapping description of the same structure, operation, and effect as in the first embodiment will be omitted.
- fingers on both side edges of the terminal 21 of the TCP 13 protrude laterally.
- a pair of base side edges 22D are provided. Both index side edge portions 22D are arranged so as to be shifted along the longitudinal direction of the terminal 21 from the back side and the near side.
- the dimension (protrusion amount) that both index side edges 22D project from the side edge 2 la of the terminal 21 is about 1Z4 of the terminal 21 width dimension, and the difference between the width dimensions of both terminals 17 and 21 is large. It is said to be the size (0.085mm).
- the allowable amount of displacement in the width direction of both terminals 17, 21 is set to 1 Z4 of the width dimension of the terminal 21 of TCP13.
- the terminal 21 of TCP13 is displaced to the left with respect to the terminal 17 of the printed circuit board 12, and the amount of displacement is within the allowable range, as shown in FIG.
- Side edge 22D of side edge 22D protrudes to the right side of side edge 17a on the right side of terminal 17, and side edge 17a on the right side of terminal 17 is hidden by right side index side edge 22D.
- the side edge 22Da of the right index side edge 22D is arranged on the left side of the right side edge 17a of the terminal 17 as shown in FIG.
- the right side edge 17 of the terminal 17 is visually recognized.
- the amount of displacement of the terminal 21 can be detected. Even when the terminal 21 is displaced to the right side, the amount of displacement can be detected by visually observing the left index side edge 22D in the same manner as described above.
- Embodiment 6 of the present invention will be described with reference to FIGS.
- a case where four index side edge portions 22E and 22F are provided in one terminal 21 is shown.
- the description of the same structure, operation, and effect as in the first embodiment will be omitted.
- each indicator side edge 22E, 22F is formed in a form in which the side edge of the terminal 21 is recessed. Specifically, on the far side in the figure of the both side edges of the terminal 21, the side edge of the index for detecting the amount of displacement when the terminal 21 of the TCP 13 is displaced to the left with respect to the terminal 17 of the printed circuit board 12.
- the portion 22E is provided in a pair, and on the front side in the figure, an index side edge portion 22F for detecting a displacement amount when the terminal 21 is displaced to the right side is provided in a pair.
- the index side edge 22E of the set on the back side in the figure is provided on the left side edge of the terminal 21 and has a recess width. From the index side edge 22EL of the size of 1Z4 of the width dimension of the terminal 21 and the index side edge 22ER of the size of 3Z4 of the width dimension of the terminal 21 provided on the right side edge of the terminal 21 Become.
- the portions 22ELa and 22ERa which are the farthest from the side edge 21a of the terminal 21 among the peripheral edges of the paired indicator side edge portions 22E, are arranged at positions where the center position force of the terminal 21 is also shifted to the left side. It is arranged on the same straight line parallel to the side edge 21a.
- the index side edge 22F of the set on the near side of the figure is provided on the left side edge of the terminal 21, and the index side edge 22FL whose recess width is 3Z4 which is the width dimension of the terminal 21; It is provided on the right side edge of the terminal 21, and the dent width is also a force with the index side edge 22 FR having a width of 1Z4 which is the width of the terminal 21.
- the portions 22FLa and 22FRa which are the farthest from the side edge 21a of the terminal 21 among the peripheral edges of the paired index side edge portions 22F, are arranged at positions where the center position force of the terminal 21 is also shifted to the right side, and both It is arranged on the same straight line parallel to the side edge 21a.
- the allowable displacement in the width direction of both terminals 17, 21 is set to 1 Z4 of the width dimension of the terminal 21 of TCP13. If the terminal 21 of TCP13 is displaced to the left with respect to the terminal 17 of the printed circuit board 12, and the amount of displacement is within the allowable range, as shown in FIG. In the indicator side edge 22E of the set, the left side edge 17a of the terminal 17 is visually recognized by the left side index side edge 22EL, and the surface of the terminal 17 is visually recognized by the right side index side edge 22ER. If the amount of misalignment exceeds the allowable range, as shown in Fig.
- the surface 12a of the substrate 12 is visually recognized without being visually recognized, and the right side edge 17a of the terminal 17 is visually recognized at the left index side edge 22FL.
- the index side edge 22E of the rear group is visually observed, and when the terminal 21 is shifted to the right side, the index side edge 22F of the front group is visually observed. By doing so, the amount of displacement of the terminal 21 can be detected. If the amount of positional deviation exceeds the allowable range, a change occurs in the paired indicator side edge portions 22E and 22F, so that the positional deviation amount of the terminal 21 can be easily detected.
- Embodiment 7 of the present invention will be described with reference to FIGS.
- the terminal 21 is provided with a concave portion and a convex portion as the indicator side edge portions 22G and 22H.
- redundant description of the same structure, operation, and effects as those in the first embodiment will be omitted.
- two pairs of index side edges 22G and 22H which are paired, are provided at both side edges of the terminal 13 of the TCP 13.
- the index side edge 22G for detecting the amount of displacement when the terminal 21 of TCP 13 is displaced to the left with respect to the terminal 17 of the printed circuit board 12. are provided as a pair, and on the front side of the figure, an indicator side edge portion 22H for detecting the amount of displacement when the terminal 21 is displaced to the right side is provided as a pair.
- the index side edge 22G of the set on the back side in the figure is laterally formed on the index side edge 22GL formed to be recessed in the left side edge of the terminal 21 and the right side edge of the terminal 21. It consists of an indicator side edge 22GR formed in a protruding form.
- the left index side edge 22GL has a recess width of 1Z4, which is the width of the terminal 21, and the right index side edge 22GR has a protrusion of about 1Z4, which is the width of the terminal 21. It is the size (0.085mm) which added the size of the difference of the width dimension of the child 17, 21.
- the index side edge 22H of the set on the back side in the figure is formed on the side edge on the left side of the terminal 21 and the index side edge 22HR formed in a concave shape on the right side edge of the terminal 21. It consists of an indicator side edge 22HL formed in a shape that protrudes in the direction.
- the recess width of the right index side edge 22HR is set to 1Z4, which is the width dimension of the terminal 21, and the protruding amount of the left index side edge 22HL is approximately 1Z4, which is the width dimension of the terminal 21,
- the size is the sum of the difference between the width dimensions of both terminals 17 and 21.
- the allowable displacement in the width direction of both terminals 17, 21 is set to 1 Z4 of the width dimension of terminal 21 of TCP13.
- the terminal 21 of TCP13 is displaced to the left with respect to the terminal 17 of the printed circuit board 12, and the amount of displacement is within the allowable range, as shown in FIG.
- the index side edge 22G of the pair the left side edge 17a of the terminal 17 is visually recognized on the left side index side edge GL, and the right side edge 17a of the terminal 17 is hidden by the right side index side edge 22GR. ⁇ that is not visible. If the amount of misalignment exceeds the allowable range! /, As shown in Fig.
- the left index side edge 22GL is connected to the left side index side edge 22GL of the rear side index side edge 22G.
- the surface 12a of the substrate 12 is visually recognized without the side edge 17a being visible, the side edge 22GRa of the right indicator side edge 22GR is arranged on the left side of the right side edge 17a of the terminal 17, and the right side of the terminal 17 Edge 17a is visible.
- the surface 12a of the substrate 12 is visually recognized without the edge 17a being visible, the side edge 22HLa of the left index side edge 22HL is arranged on the right side of the left side edge 17a of the terminal 17, and the left side edge of the terminal 17 17a is visible.
- the index side edge 22G of the rear group is visually observed, and when the terminal 21 is shifted to the right side, the index side edge 22H of the front group is visually observed. By doing so, the amount of displacement of the terminal 21 can be detected.
- the amount of positional deviation exceeds the allowable range, a change occurs in the paired indicator side edge portions 22G and 22H, so that the positional deviation amount of the terminal 21 can be easily detected.
- the present invention is not limited to the embodiments described with reference to the above description and drawings.
- the following embodiments are also included in the technical scope of the present invention, and are within the scope not departing from the gist other than the following.
- Various modifications can be made.
- the shape of the index side edge can be arbitrarily changed.
- the present invention includes one in which the peripheral edge of the indicator side edge portion is constituted by a curved surface.
- the dent amount (protrusion amount) of the index side edge can be arbitrarily changed other than those described in the above embodiments.
- five or more indicator side edges may be provided on one terminal.
- An index side edge may be provided on both the printed circuit board terminal and the TCP terminal.
- the present invention is also applicable when connecting a CP and a liquid crystal panel.
- the present invention can be applied to plasma displays, EL displays, and the like in addition to liquid crystal display devices.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Combinations Of Printed Boards (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
Abstract
Description
Claims
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JP2004289695A JP2007335421A (ja) | 2004-10-01 | 2004-10-01 | 回路基板の接続構造及び回路基板の製造方法 |
JP2004-289695 | 2004-10-01 |
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WO2006038492A1 true WO2006038492A1 (ja) | 2006-04-13 |
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PCT/JP2005/017736 WO2006038492A1 (ja) | 2004-10-01 | 2005-09-27 | 回路基板の接続構造及び回路基板の製造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2529605A1 (en) * | 2010-01-29 | 2012-12-05 | BYD Company Limited | Contact piece of golden finger, golden finger and connector comprising the golden finger |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011095351A (ja) * | 2009-10-28 | 2011-05-12 | Funai Electric Co Ltd | 液晶モジュール |
JP5760687B2 (ja) * | 2010-06-23 | 2015-08-12 | 住友電気工業株式会社 | 配線板 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6168871A (ja) * | 1984-09-12 | 1986-04-09 | 株式会社日立製作所 | フレキシブル印刷配線板 |
JPH03231338A (ja) * | 1990-02-06 | 1991-10-15 | Hokuriku Nippon Denki Software Kk | メモリダンプ領域管理方式 |
JPH08152646A (ja) * | 1994-11-28 | 1996-06-11 | Canon Inc | 回路基板構造及び該回路基板構造を製造するための位置合せ装置 |
JPH08250622A (ja) * | 1995-03-14 | 1996-09-27 | Toshiba Corp | 配線基板 |
JP2002329941A (ja) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Ind Co Ltd | 配線基板の接続構造と液晶表示パネルの接続構造 |
JP2004087938A (ja) * | 2002-08-28 | 2004-03-18 | Seiko Epson Corp | 電子部品の実装基板、電気光学装置、電気光学装置の製造方法及び電子機器 |
-
2004
- 2004-10-01 JP JP2004289695A patent/JP2007335421A/ja active Pending
-
2005
- 2005-09-27 WO PCT/JP2005/017736 patent/WO2006038492A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6168871A (ja) * | 1984-09-12 | 1986-04-09 | 株式会社日立製作所 | フレキシブル印刷配線板 |
JPH03231338A (ja) * | 1990-02-06 | 1991-10-15 | Hokuriku Nippon Denki Software Kk | メモリダンプ領域管理方式 |
JPH08152646A (ja) * | 1994-11-28 | 1996-06-11 | Canon Inc | 回路基板構造及び該回路基板構造を製造するための位置合せ装置 |
JPH08250622A (ja) * | 1995-03-14 | 1996-09-27 | Toshiba Corp | 配線基板 |
JP2002329941A (ja) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Ind Co Ltd | 配線基板の接続構造と液晶表示パネルの接続構造 |
JP2004087938A (ja) * | 2002-08-28 | 2004-03-18 | Seiko Epson Corp | 電子部品の実装基板、電気光学装置、電気光学装置の製造方法及び電子機器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2529605A1 (en) * | 2010-01-29 | 2012-12-05 | BYD Company Limited | Contact piece of golden finger, golden finger and connector comprising the golden finger |
EP2529605A4 (en) * | 2010-01-29 | 2013-08-07 | Byd Co Ltd | CONTACT PART OF A GOLDEN CONNECTOR BLADE, GOLDEN CONNECTOR BLADE AND CONNECTOR COMPRISING THE GOLDEN CONNECTOR BLADE |
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