Files
openscad_parameteric_IDT_cr…/wafer_layouts/quadrant_array.scad
2026-02-26 11:23:07 +13:00

220 lines
5.8 KiB
OpenSCAD

include <../modules/bidirectional_idt.scad>
include <../modules/wafer.scad>
include <../modules/parameter_text.scad>
// include <../pramas.scad>
// ================= openscad prams =================
$fa = 1;
$fs = 0.01;
// ================= openscad prams =================
// ================= meta =================
SCRIPT_VERSION="0.0.1";
// this really just need to be any mon font
FONT="Ubuntu Sans Mono:style=Regular";
test_number = 1;
// scale in m
scale_unit = 1e3;
// ================= meta =================
// ================= IDT =================
substrate = "LINBO";
// linbo
c = 3992.0;
// si
// c = 3159.0;
freq = 50.0e6;
// $fs = (c/freq);
// inout distance
distance = 50;
// number of finger
n_fingers = 50;
// should be 50-70
finger_length = 60;
// for tweaking the design
gap = 0;
// for tweaking the design
thickness = 0;
has_id_number = true;
// ================= IDT =================
// ================= bond pad =================
leg_length = 0.003;
leg_width = 0.00001875;
leg_angle = 10;
size = 0.002;
bond_pad_shape = "square";
// ================= bond pad =================
// ================= text =================
info_block_offset_x=7;
info_block_offset_y=30;
info_block_scale=0.3;
title_text_size = 4;
prop_text_size = 2.5;
id_text_size = 1;
// ================= text =================
// ================= array spacings =================
number_of_idts_per_quadrent=4;
idt_x_spacing = 10;
idt_y_spacing = 12.5;
// ================= array spacings =================
// ================= wafers =================
wafer_size_inch = 4;
// ================= wafers =================
module params() {
parameter_text(
str("IDT ", substrate, "#", test_number),
[
str("c (ms): ", c),
str("freq (Hz): ", freq),
str("distance : ", distance),
str("n_fingers : ", n_fingers),
str("finger_length : ", finger_length),
str("gap : ", gap),
str("thickness : ", thickness),
str("leg_length : ", leg_length),
str("leg_angle : ", leg_angle),
str("size : ", size),
str("feat. size (mm): ", (c/freq)*1e3 / 4),
str("version : ", SCRIPT_VERSION)
]
);
}
translate([info_block_offset_x, -info_block_offset_y, 0]) {
rotate([0, 0, -90])
scale([info_block_scale, info_block_scale, info_block_scale]) {
params();
}
}
rotate([0, 0, 180])
translate([info_block_offset_x, -info_block_offset_y, 0]) {
rotate([0, 0, -90])
scale([info_block_scale, info_block_scale, info_block_scale]) {
params();
}
}
if ($preview)
wafer(wafer_size_inch*0.0254*scale_unit);
// echo(str("number_of_idts_per_quadrent : ", number_of_idts_per_quadrent));
for (i=[0:number_of_idts_per_quadrent-1]) {
translate([idt_x_spacing/4, 0, 0]) {
translate([i * idt_x_spacing, idt_y_spacing/2, 0]) {
bi_directional_idt(
c,
freq,
n_fingers,
distance,
finger_length,
gap,
thickness,
post_scale=scale_unit,
has_bond_pads = true,
bond_pad_angle = leg_angle,
bond_pad_leg_width = leg_width,
bond_pad_leg_length = leg_length,
bond_pad_size = size,
has_id = has_id_number,
id_number = i
);
}
translate([i * idt_x_spacing, -idt_y_spacing/2, 0]) {
scale([1, -1, 1]) {
bi_directional_idt(
c,
freq,
n_fingers,
distance,
finger_length,
gap,
thickness,
post_scale=scale_unit,
has_bond_pads = true,
bond_pad_angle = leg_angle,
bond_pad_leg_width = leg_width,
bond_pad_leg_length = leg_length,
bond_pad_size = size,
has_id = has_id_number,
id_number = i + number_of_idts_per_quadrent,
id_scale = [1, -1, -1]
);
}
}
}
scale([-1, 1, 1])
translate([idt_x_spacing/4, 0, 0]) {
translate([i * idt_x_spacing, idt_y_spacing/2, 0]) {
bi_directional_idt(
c,
freq,
n_fingers,
distance,
finger_length,
gap,
thickness,
post_scale=scale_unit,
has_bond_pads = true,
bond_pad_angle = leg_angle,
bond_pad_leg_width = leg_width,
bond_pad_leg_length = leg_length,
bond_pad_size = size,
has_id = has_id_number,
id_number = i + number_of_idts_per_quadrent*2,
id_scale = [-1, 1, 1]
);
}
translate([i * idt_x_spacing, -idt_y_spacing/2, 0]) {
scale([1, -1, 1]) {
bi_directional_idt(
c,
freq,
n_fingers,
distance,
finger_length,
gap,
thickness,
post_scale=scale_unit,
has_bond_pads = true,
bond_pad_angle = leg_angle,
bond_pad_leg_width = leg_width,
bond_pad_leg_length = leg_length,
bond_pad_size = size,
has_id = has_id_number,
id_number = i + number_of_idts_per_quadrent*3,
id_scale = [-1, -1, 1]
);
}
}
}
}
// bond_pad(
// leg_length = 0.0075,
// leg_width = 0.00001875,
// leg_angle = 20,
// size = 0.0075,
// bond_pad_shape = "square",
// post_scale = scale_unit
// );