custom layout for the wafers

wafer_layouts/hex_layout_idt.scad

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+include <../modules/bidirectional_idt.scad>
+include <../modules/parameter_text.scad>
+include <../modules/wafer.scad>
+
+// ================= README =================
+// these are the normal parameters used by
+// each one of the layout scripts
+// however they do dont directly use them
+// and instead have thier own copy
+//
+// this was done in order to have more control
+// over each of the scripts themsevels 
+// allowing each to have even more parameters
+// and having them show up in the open scad
+// parameters window
+// ================= README =================
+
+// ================= 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 = 150;
+
+// 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 = false;
+// ================= 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=20;
+info_block_offset_y=-30;
+info_block_scale=0.3;
+title_text_size = 4;
+prop_text_size = 2.5;
+id_text_size = 1;
+
+// ================= text =================
+
+// ================= IDT Pos =================
+idt_1_x_offset = 0;
+idt_1_y_offset = 0;
+idt_2_x_offset = 0;
+idt_2_y_offset = 0;
+// ================= IDT Pos =================
+
+
+// ================= 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),
+            str("version        : ", SCRIPT_VERSION)
+        ]
+    );
+}
+
+translate([info_block_offset_x, -info_block_offset_y, 0])
+scale([info_block_scale, info_block_scale, info_block_scale])
+params();
+
+wafer(wafer_size_inch*25.4);
+
+translate([idt_1_x_offset, idt_1_y_offset, 0])    
+rotate([0, 0, 60]) 
+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,
+    center = true
+);
+
+translate([idt_2_x_offset, idt_2_y_offset, 0])    
+rotate([0, 0, 120]) 
+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,
+    center = true
+);
+
+translate([idt_2_x_offset, idt_2_y_offset, 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,
+    center = true
+);