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BBO研究会
＊BBO研究所＊
〒351-0007
埼玉県朝霞市岡
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ホープデンタル
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工キシマレーザーアブレーションによるHAp薄膜の形成
The fonlnation of HydroxyaPatite thin filnn deposited
by laser ablation
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●松本俊郎、神野 大.本滓茂樹.細井実彦、加藤陽宏、櫨村和嘉*.杉村忠敬料**
近畿大・生物理工.＊＊奈良医大・口腔外科、朝日大・歯学部
Toshiro MATSUMOTO'Takashi KANN0､Shigeki HON TSU′Yoshihiko HOSOI′
Nobuhiro KATO,Kazuyoshi
UEMURA′Tadataka SUGIMURA
Dept.of lntelligent Mechanics,Faculty of Biology‐oriented Sci. &
Tech., Kinki Univ.930,Nishimitani′Uchita-Cyo′ Naga-gun′ Wakayama
649‐6493 Japan.
*Dept.of oral and MaxillofaciaI Surgery, Nara Medical oniv.r840,
Shijo-cho,kashihara-city, Nara, 634 Japan
**Dept.of oral Physiology′ School of Dentistry,Asahi Univ..Hozunmi.
Motosu,Gifu 501‐0296′Japan.
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It was presented that thin film of hydroxyapatite(Ca10(PO4)6(OH)2),or HA was
deposited by means of laser ablation to increase biological compatibility of the
titanium alloy( Ti-6AI-4V).The polished substrates which have different micro
structures【0.1〜3.0μmRmax)were prepared. At temperatures than 5OO℃,the
films resulted in amorphous. The crystallized HA was obtained at about 530℃.
Mechanical properties of film were measured by the scratch test and the Peeling off
test by using tensile test machine. In the peeling off test, the adhesive strengths
between HA films and the substrates were about 2.3 and 5.4MPa for the
surface
roughness 0.1 and l.0μmRmax,respectively.
KEYWORDS:Hydroxyapatite thin films, Titanium alloy(Ti-6A1-4V),Laser ablation,
Adhesion,Surface morpholoqy
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