OHARA's GD-FHT is a glass disk for use in flying height testers. It contributes to the decrease of static breaking in the magnetic head, both in manufacturing and R&D. This obvious advantage is due to the superior electrical properties of GD-FHT compared to conventional products, such as S-BSL7 and Synthetic Fused Silica. As the glide height of the magnetic head is lowered, we offer our "smooth type" GD-FHT which is an extremely precise, super smooth and ultra-clean disk. OHARA's GD-FHT is transparent with the same mechanical strength as conventional products.
Buy glass disk for magnetic head flying height tester (gd-fht)
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in section "Optics for LEDs"