117 lines
2.8 KiB
OpenSCAD
117 lines
2.8 KiB
OpenSCAD
// ================= README =================
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// these are the normal parameters used by
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// each one of the layout scripts
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// however they do dont directly use them
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// and instead have thier own copy
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//
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// this was done in order to have more control
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// over each of the scripts themsevels
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// allowing each to have even more parameters
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// and having them show up in the open scad
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// parameters window
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// ================= README =================
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// ================= openscad prams =================
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// min angle
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$fa = 0.1;
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// min size
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$fs = 0.01;
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// ================= openscad prams =================
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// ================= meta =================
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// version number of the current script
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SCRIPT_VERSION="0.0.1";
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// font for layout
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FONT="Ubuntu Sans Mono:style=Regular";
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// the test number ref number for this set of IDTs
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test_number = 1;
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// this is needed due to the min size value
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// a pre scaler for the given values
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scale_unit = 1e3;
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// ================= meta =================
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// ================= IDT =================
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// the underlying substrate
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substrate = "SI";
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// linbo
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// the aoucstice wave speed in the substrate
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c = 3992.0;
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// si
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// c = 3159.0;
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// the target frequency of the IDT
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freq = 50.0e6;
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// the distance between the input and output IDT
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// should be between 100-200
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distance = 50;
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// the number of fingers the IDT has
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n_fingers = 50;
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// the length of the figure or aperture should be 50-70
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finger_length = 60;
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// the gap between both sides of the IDT (should be used for tweaking)
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gap = 0;
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// the thickness of the wire the connects all the fingers
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thickness = 0;
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// adds an ID number to an IDT, useful if you have multiple on a wafer
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has_id_number = false;
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// ================= IDT =================
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// ================= bond pad =================
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// the length of the bond pad leg from the edge of the IDT to the center of the bond pad
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leg_length = 0.003;
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// the width of the leg
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leg_width = 0.00001875;
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// the angle the leg comes off from the IDT,
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// positive angle means the leg is angled away
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// negitive angle means the leg is angled inwards
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leg_angle = 10;
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// the size of the bond pad
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size = 0.002;
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// the shape of the bond pad (not implemented)
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bond_pad_shape = "square";
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// ================= bond pad =================
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// ================= text =================
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info_block_offset_x=7;
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info_block_offset_y=30;
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// total scale of infoblock
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info_block_scale=0.3;
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// the text size of the heading in the info block
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title_text_size = 4;
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// the size of all the sub items in the info block
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prop_text_size = 2.5;
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// the size of the ID numbers in on the IDTS
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id_text_size = 1;
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// ================= text =================
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// ================= wafers =================
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// the size of the wafer in inchs (why inch and not metric like everything else because its standard)
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wafer_size_inch = 4;
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// ================= wafers =================
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