JP4150941B2 - Carrier slitter with resin - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a slitter for a carrier with a resin used for cutting a carrier with a resin used for an electrical component, particularly a wiring board.
[0002]
[Prior art]
In recent years, along with the development of electronic devices, the wiring boards used in electronic devices are also required to be smaller, lighter and more multifunctional, and the wiring capacity is increased and the thickness is reduced. It is demanded.
[0003]
In order to meet such requirements, the thickness of the insulating material constituting the wiring board must be reduced, and the prepreg in which the glass cloth is impregnated with resin as in the conventional case becomes thicker. It has been proposed to consist only of.
[0004]
However, if this prepreg is not heated and pressed after being laminated and integrated with the inner layer circuit board to be completely cured afterwards, the unevenness on the inner layer circuit surface will not be filled with resin, and the withstand voltage is low and cannot be used. Until then, it must be semi-cured.
[0005]
Therefore, as a method of constructing such a semi-cured insulating layer only with a resin, use a copper foil used as a circuit conductor or a carrier film subjected to a release treatment as a carrier and a resin applied thereon. Has been proposed and developed.
[0006]
In order to reduce the production cost, the copper foil with a carrier in which a resin is applied to such a carrier is applied with a resin, adjusted in thickness, heated, While drying, etc., it is often wound together with a protective film that protects the resin surface, and a commercially available carrier width is often used as it is. Therefore, when actually used, it is cut with a slitter according to the size of the product. Also, there are many uneven coatings at the end, and it is necessary to cut and remove the end with a slitter before use.
[0007]
As a slitter for cutting such a scroll-shaped object, a slitter having a tip directed opposite to the unwinding direction while unwinding, a combination of two blades like scissors, a lower blade 1 There is known an arrangement in which the left end portion of the upper blade 2 and the right end portion of the upper blade 2 are disposed so as to be inconsistent with each other and subjected to push-cut cutting.
[0008]
[Problems to be solved by the invention]
By the way, in the conventional slitter, the adhesive force between the carrier and the semi-cured resin is managed somehow in the planar direction, but it is weak to the force in the thickness direction and easily peels off. If the edges are peeled off during slitting, dust floating in the air and foreign matter adhering to the rollers of the production machine are likely to enter. There is a problem that it cannot be used for precision parts such as a wiring board.
[0009]
An object of the present invention is to provide a slitter for a carrier with a resin which is excellent in suppressing peeling of such a carrier and a semi-cured resin.
[0010]
[Means for Solving the Problems]
The slitter for a carrier with a resin of the present invention includes a lower blade 1 having a cutting blade on the circumference of one top of the cylindrical shape, and an upper blade 2 having a cutting blade on the circumference of the one top of the cylindrical shape, A slitter portion comprising a rubber roll 3 is provided, and an upper blade 2 and a rubber roller 3 are provided on a first rotating shaft so that the cutting blade of the upper blade 2 faces inside, and a lower blade 1 is provided. 2 is arranged so that the rotation axis of 2 is parallel to the first rotation axis, the cutting blade of the lower blade 1 faces the cutting blade of the upper blade 2, and the surface having the cutting blade at the top of the lower blade 1; It arrange | positions so that the surface which has the cutting blade of the top part of the upper blade 2 may contact | connect partially.
[0011]
Further, the nip roll 4 and / or the guide roll 5 that constantly changes the angle at which the carrier with resin supplied to the place where the lower blade 1 and the upper blade 2 are in contact with the cutting blade of the lower blade 1 and / or the cutting blade of the upper blade 2. Is more preferable if it is provided before and after the slitter unit is unwound.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 2, the slitter for a carrier with resin of the present invention includes, for example, an unwinding portion 101 for unwinding the carrier with resin to be slit processed, a meandering detector 102 for detecting meandering in the unwinding direction, and a meandering detector 102. The meandering adjustment device 104 that adjusts the inclination of the axis of the meandering adjustment roll 103 by the output of the above, the aluminum conveyance roll 105 that connects a plurality of steps, the base material joint 106 that connects to the next carrier with resin, and the carrier with resin The nip roll 4 and the guide roll 5 that always change the winding angle around the lower blade 2 of the slitter, and the take-up portions 107 and 108 for taking up the slit carrier 91 with resin can be formed.
Moreover, as shown in FIG. 3, the guide roll 5 which always changes the angle wound around the lower blade 2 of the resin-made carrier slitter can be provided so as to hold the resin-attached carrier from above.
[0013]
As shown in FIG. 1, the slit portion has a lower blade 1 having a cutting blade on the circumference of a cylindrical top portion having a diameter of 100.5 mm using special steel for the blade portion, and the same structure as the lower blade 1. The upper blade 2 and the rubber roller 3 are provided, and the upper blade 2 and the rubber roller 3 are provided on the first rotating shaft 6 so that the cutting blade of the upper blade 2 faces inside, and the lower blade 2 is arranged so that the second rotating shaft 7 provided with 1 is parallel to the first rotating shaft 6, and the cutting blade of the lower blade 1 and the cutting blade of the upper blade 2 face each other. The surface having the cutting blade and the surface having the cutting blade at the top of the upper blade 2 are arranged so as to partially contact each other. The amount of contact between the surfaces having these two cutting blades (overlap amount) is adjusted to 0.5 mm, and the lower blade 1 and the upper blade 2 are pressed and cut while the carrier with resin is sandwiched between the lower blade 1 and the rubber roll 3. It was.
Furthermore, the clearance between the two cutting blades was almost zero. In order to maintain this clearance, the bearing 8 was a pivot bearing, and the amount of shake due to the rotation of the blade could be suppressed to 0.02 mm or less.
[0014]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a slitter for a carrier with a resin which is excellent in suppressing peeling of a carrier and a semi-cured resin.
[Brief description of the drawings]
FIG. 1A is a part of a slitter for a carrier with resin as viewed from the conveying direction of the carrier with resin, and FIG. 1B is a side view of FIG.
FIG. 2 is a schematic view of a resin-equipped carrier slitter according to an embodiment of the present invention.
FIG. 3 is a schematic view of a carrier slitter with resin showing another embodiment of the present invention.
[Explanation of symbols]
1. Lower blade Upper blade 3. Rubber roll 4. 4. Nip roll Guide roll 6. First rotating shaft 7. Second rotating shaft 8. 8. Bearing Carrier with resin 91. Slit carrier with resin 101. Unwinding unit 102. Meander detector 103. Meander adjustment roll 104. Meander adjustment device 105. Transport roll 106. Base material joint portions 107 and 108. Winding part

Claims (2)

A slitter for carrier with resin, comprising a lower blade 1 having a cutting blade on the circumference of one top of the cylindrical shape, an upper blade 2 having a cutting blade on the circumference of the one top of the cylindrical shape, and a rubber roll 3 The upper blade 2 and the rubber roller 3 are provided on the first rotating shaft so as to face each other so that the cutting blade of the upper blade 2 is on the inner side, and the second rotating shaft provided with the lower blade 1 is the first rotating shaft. The cutting blade of the lower blade 1 and the cutting blade of the upper blade 2 face each other, and the surface having the cutting blade at the top of the lower blade 1 and the top of the upper blade 2 are arranged. A slitter for a carrier with a resin, wherein the slitter is disposed so as to partially contact a surface having a cutting blade. A nip roll 4 and / or a guide roll 5 that constantly changes the angle at which the carrier with resin supplied to the place where the lower blade 1 and the upper blade 2 are in contact with the cutting blade of the lower blade 1 and / or the cutting blade of the upper blade 2 is used as a slitter. The slitter for a carrier with a resin according to claim 1, wherein the slitter is provided before and after the part is unwound.

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