custom layout for the wafers
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220
wafer_layouts/quadrant_array.scad
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220
wafer_layouts/quadrant_array.scad
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include <../modules/bidirectional_idt.scad>
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include <../modules/wafer.scad>
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include <../modules/parameter_text.scad>
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// include <../pramas.scad>
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// ================= openscad prams =================
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$fa = 1;
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$fs = 0.01;
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// ================= openscad prams =================
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// ================= meta =================
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SCRIPT_VERSION="0.0.1";
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// this really just need to be any mon font
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FONT="Ubuntu Sans Mono:style=Regular";
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test_number = 1;
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// scale in m
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scale_unit = 1e3;
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// ================= meta =================
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// ================= IDT =================
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substrate = "LINBO";
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// linbo
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c = 3992.0;
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// si
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// c = 3159.0;
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freq = 50.0e6;
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// $fs = (c/freq);
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// inout distance
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distance = 50;
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// number of finger
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n_fingers = 50;
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// should be 50-70
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finger_length = 60;
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// for tweaking the design
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gap = 0;
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// for tweaking the design
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thickness = 0;
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has_id_number = true;
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// ================= IDT =================
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// ================= bond pad =================
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leg_length = 0.003;
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leg_width = 0.00001875;
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leg_angle = 10;
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size = 0.002;
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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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info_block_scale=0.3;
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title_text_size = 4;
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prop_text_size = 2.5;
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id_text_size = 1;
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// ================= text =================
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// ================= array spacings =================
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number_of_idts_per_quadrent=4;
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idt_x_spacing = 10;
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idt_y_spacing = 12.5;
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// ================= array spacings =================
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// ================= wafers =================
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wafer_size_inch = 4;
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// ================= wafers =================
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module params() {
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parameter_text(
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str("IDT ", substrate, "#", test_number),
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[
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str("c (ms): ", c),
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str("freq (Hz): ", freq),
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str("distance : ", distance),
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str("n_fingers : ", n_fingers),
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str("finger_length : ", finger_length),
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str("gap : ", gap),
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str("thickness : ", thickness),
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str("leg_length : ", leg_length),
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str("leg_angle : ", leg_angle),
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str("size : ", size),
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str("feat. size (mm): ", (c/freq)*1e3),
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str("version : ", SCRIPT_VERSION)
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]
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);
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}
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translate([info_block_offset_x, -info_block_offset_y, 0]) {
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rotate([0, 0, -90])
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scale([info_block_scale, info_block_scale, info_block_scale]) {
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params();
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}
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}
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rotate([0, 0, 180])
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translate([info_block_offset_x, -info_block_offset_y, 0]) {
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rotate([0, 0, -90])
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scale([info_block_scale, info_block_scale, info_block_scale]) {
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params();
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}
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}
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if ($preview)
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wafer(wafer_size_inch*0.0254*scale_unit);
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// echo(str("number_of_idts_per_quadrent : ", number_of_idts_per_quadrent));
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for (i=[0:number_of_idts_per_quadrent-1]) {
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translate([idt_x_spacing/4, 0, 0]) {
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translate([i * idt_x_spacing, idt_y_spacing/2, 0]) {
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bi_directional_idt(
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c,
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freq,
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n_fingers,
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distance,
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finger_length,
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gap,
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thickness,
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post_scale=scale_unit,
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has_bond_pads = true,
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bond_pad_angle = leg_angle,
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bond_pad_leg_width = leg_width,
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bond_pad_leg_length = leg_length,
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bond_pad_size = size,
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has_id = has_id_number,
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id_number = i
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);
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}
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translate([i * idt_x_spacing, -idt_y_spacing/2, 0]) {
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scale([1, -1, 1]) {
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bi_directional_idt(
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c,
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freq,
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n_fingers,
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distance,
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finger_length,
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gap,
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thickness,
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post_scale=scale_unit,
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has_bond_pads = true,
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bond_pad_angle = leg_angle,
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bond_pad_leg_width = leg_width,
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bond_pad_leg_length = leg_length,
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bond_pad_size = size,
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has_id = has_id_number,
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id_number = i + number_of_idts_per_quadrent,
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id_flip_dir = [1, -1, -1]
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);
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}
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}
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}
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scale([-1, 1, 1])
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translate([idt_x_spacing/4, 0, 0]) {
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translate([i * idt_x_spacing, idt_y_spacing/2, 0]) {
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bi_directional_idt(
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c,
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freq,
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n_fingers,
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distance,
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finger_length,
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gap,
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thickness,
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post_scale=scale_unit,
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has_bond_pads = true,
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bond_pad_angle = leg_angle,
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bond_pad_leg_width = leg_width,
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bond_pad_leg_length = leg_length,
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bond_pad_size = size,
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has_id = has_id_number,
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id_number = i + number_of_idts_per_quadrent*2,
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id_flip_dir = [-1, 1, 1]
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);
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}
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translate([i * idt_x_spacing, -idt_y_spacing/2, 0]) {
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scale([1, -1, 1]) {
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bi_directional_idt(
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c,
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freq,
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n_fingers,
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distance,
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finger_length,
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gap,
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thickness,
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post_scale=scale_unit,
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has_bond_pads = true,
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bond_pad_angle = leg_angle,
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bond_pad_leg_width = leg_width,
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bond_pad_leg_length = leg_length,
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bond_pad_size = size,
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has_id = has_id_number,
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id_number = i + number_of_idts_per_quadrent*3,
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id_flip_dir = [-1, -1, 1]
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);
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}
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}
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}
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}
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// bond_pad(
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// leg_length = 0.0075,
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// leg_width = 0.00001875,
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// leg_angle = 20,
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// size = 0.0075,
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// bond_pad_shape = "square",
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// post_scale = scale_unit
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// );
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