JPH0149939B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reduction degree setting device for an automatic film reduction processing machine, for example, an automatic reduction processing machine for photolithographic film.

In an automatic film reduction processing machine, it is necessary to set the reduction degree to a predetermined value according to the gradation, that is, the dot percentage or density value of the film to be reduced. The method of keeping the strength constant and adjusting the reduction time is advantageous because it is easier to control and manage than other methods. However, conventionally, such adjustment of the reduction time has been achieved by incorporating a manually operated variable resistor into the automatic film reduction processing machine to regulate the speed of the feed system that passes the film through the reduction liquid zone. This method relies on experience or feeling to displace the force to a position corresponding to a predetermined value, and using this method it is extremely difficult to set the degree of force reduction to a correct value. Moreover, the gradation of the reduction force treated film is, for example, 10 to 10% in terms of halftone dot percentage.
The difference is over a wide range of 90%, and the variable of the degree of reduction is correspondingly wide.

The present invention provides a reduction degree setting device for an automatic film reduction processing machine that can accurately and easily set the reduction degree, that is, the reduction time, to a required value corresponding to the dot percentage or density value of the film to be reduced. is intended to provide.

Furthermore, in the present invention, there are at least two or three types of films that can be subjected to reduction force treatment, and since it is a reality that they need to be subjected to reduction treatment at a similar frequency, multiple reduction degree settings can be applied. It is an object of the present invention to provide a reduction degree setting device for an automatic film reduction processing machine, which guarantees that a variety of reduction processing films can be achieved in a structurally simple manner.

The reduction degree setting device for an automatic film reduction processing machine according to the present invention reduces the reduction time in a direction in which a reduction time adjusting element, for example, a variable resistor regulating the speed of a film feeding system, can be moved in an automatic film reduction processing machine. By taking the force time, taking the film halftone dot percentage or density value in a direction substantially perpendicular to the said direction, and drawing an equal force reduction amount curve for each value of the film halftone dot percentage or density value to an appropriate stage, e.g. 2%, 4
%, 6%, etc. Diagrams are created for multiple types of reduced force treatment films, and the diagrams are arranged in a predetermined direction, and the halftone dot percentage or density of the corresponding type of film is displayed on each of the above diagrams. A pointer with a scale corresponding to the value interval is provided, and either the parallel group of the diagram or the pointer is fixed, and the other is moved integrally with the reducing force time adjusting element in the direction of movement thereof. It is characterized by being combined like this.

According to the present invention, when performing a force reduction process using an automatic force reduction processing machine for a force reduction process film having a certain halftone dot percentage or density value (hereinafter abbreviated as halftone dot percentage), the required reduction is To set the power level, set the pointer (or diagram parallel group) so that the equal reduction amount curve of the corresponding value on the diagram for the relevant type of film intersects the scale line of the corresponding halftone dot percentage on the pointer in the relevant diagram. The objective is achieved by moving, ie, aligning the scale of the pointer corresponding to the halftone dot percentage of the reduced force treated film with the equal reduction amount curve of the corresponding value. At the intersection of the predetermined dot percentage scale with the required uniform reduction amount curve, the reduction time adjustment element in the automatic film reduction processing machine is displaced to a predetermined position, so that the reduction degree of the automatic film reduction processing machine is adjusted. Set to a predetermined value.

As described above, according to the present invention, the degree of force reduction can be set by matching the equal force reduction amount curve shown in the diagram with the dot percentage scale of the pointer, so the degree of force reduction can be set accurately. It can be done easily and operationally.

Furthermore, in the present invention, diagrams displaying equal force reduction amount curves are created for a plurality of types of reduced force processing films, and the diagrams are arranged in a predetermined direction, and each of the diagrams is marked with halftone dots of the corresponding type of film. A pointer with a scale corresponding to percentage intervals is provided, and each pointer or parallel group of diagrams is connected to a reduction time adjustment element of an automatic film reduction processor so as to move integrally therewith. The force-time adjustment element serves a common role for each set of diagram and pointer assemblies without the addition of auxiliary means such as displacement correction means. Therefore, according to the present invention, it is guaranteed that a predetermined reduction degree setting for a plurality of types of reduction force processing films can be achieved in a structurally simple manner.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the invention in an exploded perspective view.

In Figure 1, 1 is a diagram for setting the reduction degree,
The diagram shows, on the basis of experimentally obtained data, a reduction time adjustment element in an automatic film reduction processing machine (not shown), i.e. a rotary variable variable speed control device for regulating the speed of the film feed system, according to polar coordinates. A direction in which the resistor 2 can move, that is, a direction substantially perpendicular to the direction in which the deceleration time is taken in the angular coordinate;
That is, the film halftone dot percentage is taken as the radial coordinate, and the equal reduction amount curve A for each value of the film halftone dot percentage is displayed at appropriate steps such as 2% jumps. The diagram 1 has an arithmetic numeral representation on the angular side of the polar coordinates indicating the reduction time (in seconds) and an arithmetical numeral representation on the radial side of the polar coordinates indicating the film dot percentage. Furthermore, the diagram 1 has an arithmetic numeric display indicating the amount of force reduction (%) for each of the above-mentioned equal force reduction amount curves A. Such diagrams are created for a plurality of types of reduced force processing films, and the diagrams are arranged in the direction of movement of the variable resistor 2, and the rotation axis 3 of the resistor 2 is aligned.
Place it in a fixed position so that it is concentric with the In the figure, these diagrams have sub-references 1a, 1b, 1c.
is attached. Each diagram 1a, 1b, 1
The equal force reduction amount curve c corresponds to the type of film to be subjected to the force reduction process.

Reference numeral 4 denotes a transparent plate-type pointer, which has graduations 5 whose intervals match the intervals of the film halftone dot percentages in the above-mentioned diagrams 1a, 1b, and 1c, that is, match the radial coordinates of the polar coordinates. Furthermore, the pointer 4 has an arithmetic numeric display indicating the halftone dot percentage for the scale 5 . Pointer 4 is diagram 1
A, 1b, and 1c of the same number as installed are integrally combined radially downward, and the combined body is overlapped with the front of the diagram parallel body, and fixed concentrically to the rotating shaft 3 of the variable resistor 2. . Diagram 1
The pointer a has the sub-reference numeral 4a and is shown in diagram 1.
The pointer c has the sub-reference numeral 4c, as shown in diagram 1.
A sub-reference numeral 4c is attached to the pointer c. Scale 5 of the pointer... is the 90% scale and 90
The same values, such as % indication halftone percent coordinates, are matched with each other.

In the figure, reference numeral 6 indicates a motor for the film feeding system in the film reduction processing machine, and the rotational speed of the motor is controlled by the rotational displacement of the variable resistor 2. 7 is a knob for operating the combined hands 4a, 4b, 4c.

In the embodiment shown in FIG. 1, when the film is automatically reduced in force by the automatic film reduction processing machine, the equal reduction amount curve A on the diagram for the corresponding type of film among diagrams 1a, 1b, and 1c. ...In the group, set the corresponding pointer 4 on the variable resistor 2 so that the equal reduction amount curve of the required reduction force percentage of the film to be reduced and the scale of the value that matches the halftone dot percentage of the film on the corresponding pointer 4 intersects. Direction of movement,
That is, when the variable resistor 2 is moved in a direction around the axis of the rotating shaft 3, the variable resistor 2 is moved integrally with this movement, and a predetermined force reduction degree is set.

Another embodiment of the invention is shown in a front view in FIG.

The setting device of the embodiment shown in FIG. 2 has the points that the diagram 1 is a rectangular coordinate type with vertical and horizontal axes and is installed side by side in the moving direction of the variable resistor 2, and the variable resistor 2 is a linear moving type. , the basic configuration is substantially the same as that of the setting device of the embodiment shown in FIG. 1, except that the respective pointers are combined to correspond to the juxtaposition of the diagrams. In FIG. 2, parts with the same reference numerals as in FIG. 1 indicate the same parts. In the diagrams 1a, 1b, 1c shown in FIG. 2, the equal force reduction amount curves A, . . . indicate the force reduction time along the horizontal axis of the diagram, and the film halftone dot percentage along the vertical axis.

In the embodiment shown in FIG. 2, the predetermined force reduction degree is set in the same manner as in the embodiment shown in FIG.

FIG. 3 shows a further embodiment of the invention in front view.

The setting device of the embodiment shown in FIG. 3 is arranged in such a way that the diagram 1 is arranged in a direction perpendicular to the moving direction of the variable resistor 2, with the vertical axis and the horizontal axis being orthogonal coordinates, and the setting device corresponds to the juxtaposition of the diagram. The basic configuration is substantially the same as that of the setting device of the embodiment shown in FIG. 1, except that the pointer is connected to the pointer and the variable resistor 2 is of a linearly movable type. 1 in Figure 3
Parts with the same reference numerals as those in the figures indicate the same parts. In FIG. 3, the equal force reduction amount curves A in diagrams 1a and 1b indicate the force reduction time in the horizontal axis direction of the diagram, and the film halftone dot percentage in the vertical axis direction. Further, the pointer 4a of the diagram 1a and the pointer 4b of the diagram 1b are integrated.

In the embodiment shown in FIG. 3, the predetermined force reduction degree is set in the same manner as in the embodiment shown in FIG.

In the present invention, instead of the form of the above embodiment, the pointer with the film dot percentage scale may be of a stationary type, and the diagram parallel group may be moved in the required direction integrally with the variable resistor. . This modification can be applied to either a rotary type or a linearly moving type variable resistor.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing one embodiment of the present invention;
Fig. 2 is a front view showing another embodiment of the present invention; Fig. 3 is a front view showing another embodiment of the present invention;
The figure is a front view showing still another embodiment of the present invention. 1 is a diagram, 2 is a variable resistor (reduction time adjustment element), 3 is a rotating shaft, 4 is a pointer, 5 is a scale of the pointer, and A is an equal reduction amount curve.

Claims (1)

[Claims] 1. Measure the reduction time in the movable direction of the reduction time adjustment element in the automatic film reduction processing machine, measure the film halftone dot percentage or density value in a direction substantially perpendicular to the direction, and determine the film Diagrams in which equal force reduction amount curves for each value of halftone dot percentage or density value are displayed at appropriate stages are created for multiple types of reduced force processing films, and the diagrams are arranged in a predetermined direction, and each of the above diagrams is Each of them is equipped with a pointer with a scale corresponding to the dot percentage or density value interval of the relevant type of film, either one of the parallel group of the diagram or the pointer is fixed, and the other is attached to the above-mentioned force reduction time adjustment element. A reduction degree setting device for an automatic film reduction processing machine, characterized in that the device is coupled to move integrally with the element in the moving direction.