200819171 PF-2006-013(2) 19915twf.doc/006 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種高爾夫球桿頭及打擊面板的_ 造方法，且特別是有關於一種其打擊面板具有低彈性模& (elastic modulus )結晶相區域的高爾夫球桿頭及打擊面板 的製造方法。 【先前技術】 f ' I 現今社會運動風氣普及，高爾夫球運動早已成為大眾 所吾愛的運動之一，且參與焉爾夫球運動的人口數也快速 地增加。其中，高爾夫球桿（golf Club)因場地之地形及 用途不同，而可區分為木桿（wooden club)、鐵桿（iron ciub) 與推桿（putter)等多種不同形式之球桿。 針對木桿而言’南爾夫球桿頭（golf club head)的製 作通常是以金屬材質或搭配碳纖維（carbon fiber)材質而 製造出一桿頭本體（head body)，再於桿頭本體上結合一 I， 打擊面板（striking plate)，以作為擊球之用。由於高爾夫 球桿頭在尺寸及重量上皆有一定的規格及限制，方能在打 擊時發揮預期之控球性與擊球效果。因此，為了符合不同 使用需求’在設計高爾夫球桿頭時，通常需藉由改變桿頭 本體與打擊面板之基本架構或兩者間之結合構造，來達到 最佳化的設計。 均質（homogeneous)且厚度一致（unif〇rm)的打擊 面板其高反發係數區域通常位於打擊面板的中心區域，且 200819171 PF-2006-013(2) 19915twf.doc/〇〇6 隨著遠離中心區域，打擊面板的反發係數將逐漸降低。就 打擊面板的反發係數（coefficient of restitution，COR)而 言’高爾夫球桿頭的打擊面板的高反發係數區域是越大越 好，因此，習知高爾夫球桿頭的打擊面板的設計有以減少 面板厚度以提高擊球反發能力的做法，但此種做法需犧牲 打擊面板的财久性（durability )，打擊面板因厚度的減少 而產生久擊後易於破損的問題，如何在不減少打擊面板耐 Q 久性的前提下，簡單而有效地提高擊球反發能力，遂成為 在球頭設計上急需處理的難題。 【發明内容】 本發明之目的是提供一種高爾夫球桿頭，其打擊面板 的高反發係數區域較大。 本發明之另一目的是提供一種打擊面板的製造方 法’以擴大打擊面板的高反發係數區域。 為達上述或是其他目的’本發明提出一種高爾夫球桿 ' 頭，其包括一桿頭本體與一打擊面板。桿頭本體具有—開 口（opening)，打擊面板配置於開口處且具有一打擊面 (striking surface)。打擊面板包括一第—結晶相區域 j crystallization phase region )與至少一第二結晶相區域。 弟一結晶相區域位於第一結晶相區域中，其中第-纟士曰相 區域由打擊面延伸至打擊面板的内部，且第二結晶相區域 的彈性模數（elastic modulus )小於第一結晶相區域的彈二 模數。 200819171 PF-2006-013(2) 19915twf.doc/006 在本發明之一實施例中，上述之第一結晶相區域的結 晶相包括/3 型（/3-type)或 α + /5 型（a-/5-type)。 在本發明之一實施例中，上述之第二結晶相區域的結 晶相包括a ’型或a’’型。 在本發明之一實施例中，上述之第一結晶相區域的彈 性模數可大於等於l〇〇GPa。 +在本發明之一實施例中，上述之第一結晶相區域之彈 性模數與第二結晶相區域之彈性模數的差值的絕對值可大 於等於5GPa且小於等於l〇GPa。 在本發明之一實施例中，上述之打擊面板的材質可為 鈦合金。 為達上述或是其他目的，本發明提出一種打擊面板的 製造方法，打擊面板適用於一高爾夫球桿頭。打擊面板的 製造方法包括下列步驟。首先，提供一面板本體（plate body)，面板本體之結晶相為一第一結晶相。接著，局部 加熱面板本體。然後，淬火（quench)面板本體所加熱之 局部區域，使得面板本體之局部區域的結晶相轉變 (transform)為一第二結晶相。 、在本叙明之一貫施例中，上述之局部加熱面板本體的 方式包括照射（irradiating )高能雷射光束（high_energy laser beam)於面板本體。 在本發明之一實施例中，上述之局部加熱面板本體的 方式包括照射電子束（electron beam)於面板本體。 在本發明之一實施例中，上述之淬火面板本體所加熱 200819171 PF-2006-013(2) 19915twf.doc/006 之局部區域的方式包括水冷（water c〇〇Ung)、風冷（也 cooling )或爐内冷卻（furnace cooling )。 在本發明之一實施例中，上述之淬火面板本體所加熱 之局部區域的冷卻速率可大於等於每秒攝氏1〇度。 在本發明之一實施例中，上述之第一結晶相包括冷型 或α +卢型。 在本發明之一實施例中，上述之第二結晶相包括α， fs 型或α ”型。 在本發明之一實施例中，上述之面板本體的材質為鈦 合金。 基於上述，由於本發明之打擊面板具有彈性模數較低 的第二結晶相區域，因此整體而言本發明之打擊面板的高 反發係數區域較大。此外，由於本發明之打擊面板的製造 方法可在不犧牲打擊面板之财久性的前提下，以局部加熱 再淬火的方式於面板本體内形成彈性模數較低的第二結晶 相區域，因此可擴大打擊面板的高反發係數區域。另外， I 由於本發明之打擊面板的製造方法可採取照射雷射光束或 電子束以局部加熱面板本體的方式，因此本發明之打擊面 板的製造方法較為簡單且製造成本較為低廉。 為讓本發明之上述和其他目的、特徵和優點能更明異貝 易懂，下文特舉較佳實施例，並配合所附圖式，作詳細說 明如下。 【實施方式】 200819171 PF-2006-013(2) 19915twf.doc/006 凊茶考圖1與圖2，：Μ：φ同i 4人一丄 古Α、中圖旨不本發明一實施例之 :爾夫球杯頭的立體讀示意圖，而圖场示圖^ 面板的側視示麵。本實_之高 桿=㈣〇與一打擊面板220。桿頭本體干:具= 在本實施例中，桿頭本體21G可為—殼體（shell)開 二巧用-般之金屬材# (如不銹鋼等金屬材質），且以 脫犧鑄造（lost·丽casting)方式一體成型地製成。 當然，在本發明其他的實施例中，桿頭本體210亦可 :是由金屬與高分子塑化材料或高強度纖維材料（例如石炭 ，維）等複合材質所構成，其製作方式例如是預先以射出 成型（injection m〇lding)或熱壓成型（thermalc〇mpressi〇n moldmg)方·立製作—上蓋（er_)(未緣示），再 將此上盍嵌合於其他部分的金屬殼體上。此外，亦有其他 作法疋直接在金屬设體之鏤空處貼覆碳纖維預浸布，再搭 配模具與氣袋加熱成型，以形成桿頭本體21〇。 打擊面板220配置於開口 212處，用以與桿頭本體21〇 構成（compose)高爾夫球桿頭2〇〇。打擊面板220具有一 打擊面222，且打擊面板220包括一第一結晶相區域224 與至少一第二結晶相區域226 (圖1示意地緣示兩個）。 這些弟一結晶相區域226位於第一結晶相區域224中，其 中這些第二結晶相區域226由打擊面222延伸至打擊面板 220的内部，且各個第二結晶相區域226的彈性模數小於 第一結晶相區域224的彈性模數。本實施例中，這些第二 結晶區域226通常位於打擊面板220的中心區域228之外。 200819171 PF-2006-013(2) 19915twf.doc/006 在本實施例中，第一結晶相區域224的結晶相包括/5 型或α +点型。所謂的/3型結晶相是指其結晶方式為體心 立方晶格（body_centered cubic lattice，BCC lattice )，而所 謂的α + /5型結晶相是指其結晶方式包括六方最密晶格 (hexagonal close-packed lattice，HCP lattice)與體心立方 晶格。此外，各個第二結晶相區域226的結晶相包括α， 型或α ’’型。所謂的α ’型結晶相是指六方晶麻田散體 (hexagonal martensite)，而所謂的α，，型結晶相是指斜方 晶麻田散體（orthorhombic martensite )，兩者皆是因急速 冷卻所形成的不完全變態（incomplete_transformati〇n)的 結晶相。在此種不完全轉換相（incomplete_transf〇rmati〇n phase)下，鈦合金具有較低的彈性模數。 在此必須說明的是，所謂的彈性模數即是楊氏模數 (Young’s modulus)，其公制單位為帕（Pascal，簡寫為200819171 PF-2006-013(2) 19915twf.doc/006 IX. Description of the Invention: [Technical Field] The present invention relates to a golf club head and a striking panel, and particularly to a method The striking panel has a golf club head and a striking panel manufacturing method in a region of a low elastic modulus & (elastic modulus) crystal phase. [Prior Art] f ' I Today's social movements are popular, and golf has long been one of the popular sports of the public, and the number of people involved in the golf movement has also increased rapidly. Among them, the golf club can be divided into many different types of clubs, such as wooden club, iron ciub and putter, depending on the terrain and use of the venue. For wood rods, the 'golf club head' is usually made of metal or carbon fiber to create a head body, and then on the head body. Combine an I, striking plate, for use as a hit. Since the golf club head has certain specifications and restrictions in terms of size and weight, it can exert the expected ball control and hitting effect when hitting. Therefore, in order to meet different usage requirements, in designing a golf club head, it is usually necessary to achieve an optimized design by changing the basic structure of the head body and the striking panel or a combination of the two. The homogeneous and uniform thickness (unif〇rm) of the striking panel is usually located in the central area of the striking panel, and 200819171 PF-2006-013(2) 19915twf.doc/〇〇6 In the area, the reverse factor of the hit panel will gradually decrease. In terms of the coefficient of restitution (COR) of the striking panel, the area of the high reversal coefficient of the striking panel of the golf club head is as large as possible. Therefore, the design of the striking panel of the conventional golf club head has Reduce the thickness of the panel to improve the ability to hit the ball, but this method needs to sacrifice the durability of the hitting panel. The impact of the panel is reduced due to the thickness reduction, and it is easy to break after a long time. How to reduce the impact? Under the premise of long-term durability of the panel, it is simple and effective to improve the ability to hit the ball and become a problem that needs to be dealt with in the design of the ball. SUMMARY OF THE INVENTION It is an object of the present invention to provide a golf club head having a large area of high reverse coefficient of the striking panel. Another object of the present invention is to provide a method of manufacturing a striking panel to expand a high reversal coefficient region of the striking panel. To achieve the above or other objects, the present invention provides a golf club head comprising a head body and a striking panel. The head body has an opening, and the striking panel is disposed at the opening and has a striking surface. The striking panel includes a first crystalline phase region and a second crystalline phase region. a crystalline phase region is located in the first crystalline phase region, wherein the first-mustle phase region extends from the striking face to the interior of the striking panel, and the elastic modulus of the second crystalline phase region is smaller than the first crystalline phase The second modulus of the area. 200819171 PF-2006-013(2) 19915twf.doc/006 In an embodiment of the invention, the crystalline phase of the first crystalline phase region comprises /3 type (/3-type) or α + /5 type ( A-/5-type). In one embodiment of the invention, the crystalline phase of the second crystalline phase region comprises a '' or a'' type. In an embodiment of the invention, the elastic modulus of the first crystalline phase region may be greater than or equal to 1 〇〇 GPa. In an embodiment of the invention, the absolute value of the difference between the elastic modulus of the first crystal phase region and the elastic modulus of the second crystal phase region may be greater than or equal to 5 GPa and less than or equal to 10 GPa. In an embodiment of the invention, the material of the striking panel may be a titanium alloy. To achieve the above or other objects, the present invention provides a method of manufacturing a striking panel suitable for use in a golf club head. The manufacturing method of the striking panel includes the following steps. First, a plate body is provided, and the crystal phase of the panel body is a first crystal phase. Next, the panel body is locally heated. Then, a localized portion of the panel body is quenched such that the crystalline phase of the localized portion of the panel body is transformed into a second crystalline phase. In the consistent embodiment of the present description, the above-described manner of locally heating the panel body includes irradiating a high-energy laser beam to the panel body. In one embodiment of the invention, the manner of locally heating the panel body includes irradiating an electron beam to the panel body. In an embodiment of the present invention, the manner in which the quenching panel body heats a partial region of 200819171 PF-2006-013(2) 19915twf.doc/006 includes water cooling (water c〇〇Ung) and air cooling (also cooling) ) or furnace cooling. In an embodiment of the invention, the cooling rate of the localized portion of the quenched panel body may be greater than or equal to 1 degree Celsius per second. In an embodiment of the invention, the first crystalline phase comprises a cold form or an alpha + form. In an embodiment of the invention, the second crystal phase comprises an α, fs type or an α" type. In an embodiment of the invention, the material of the panel body is a titanium alloy. Based on the above, the present invention The striking panel has a second crystal phase region with a lower modulus of elasticity, so that the high reversal coefficient region of the striking panel of the present invention is larger overall. Moreover, since the striking panel manufacturing method of the present invention can be sacrificed without sacrificing Under the premise of the long-term durability of the panel, a second crystal phase region having a low modulus of elasticity is formed in the panel body by local heating and re-quenching, so that the high-reaction coefficient region of the striking panel can be enlarged. The manufacturing method of the striking panel of the present invention can adopt a method of irradiating a laser beam or an electron beam to locally heat the panel body. Therefore, the manufacturing method of the striking panel of the present invention is simple and the manufacturing cost is relatively low. The above and other objects of the present invention are made. The features, advantages and advantages of the invention will be apparent from the following description. Embodiments] 200819171 PF-2006-013(2) 19915twf.doc/006 The tea is shown in Fig. 1 and Fig. 2, and: Μ: φ and i are four people, and the middle figure is not an embodiment of the invention: The stereoscopic reading diagram of the head of the golf ball, and the side view of the panel of the panel ^. The high pole = (four) 〇 and a striking panel 220. The head body is dry: with = in this embodiment The head body 21G can be made of a shell-like metal material (such as a metal material such as stainless steel), and is integrally formed by a cast and cast. In other embodiments of the present invention, the head body 210 may be made of a composite material such as metal and polymer plastic material or high-strength fiber material (for example, carbon charcoal, dimensional), and the manufacturing method thereof is, for example, Injection molding (injection m〇lding) or thermoforming (thermalc〇mpressi〇n moldmg) Fang Lili production - upper cover (er_) (not shown), and then fitting the upper jaw to the metal part of other parts In addition, there are other ways to attach carbon fiber prepreg directly to the hollow of the metal installation. The mold and the air bag are heated and formed to form the head body 21A. The striking panel 220 is disposed at the opening 212 for composing the golf club head 2〇〇 with the head body 21. The striking panel 220 has a blow Face 222, and striking panel 220 includes a first crystalline phase region 224 and at least a second crystalline phase region 226 (two schematically shown in Figure 1). These crystalline phase regions 226 are located in the first crystalline phase region 224. The second crystalline phase region 226 extends from the strike surface 222 to the interior of the striking panel 220, and the elastic modulus of each of the second crystalline phase regions 226 is less than the elastic modulus of the first crystalline phase region 224. In the present embodiment, these second crystalline regions 226 are typically located outside of the central region 228 of the striking panel 220. 200819171 PF-2006-013(2) 19915twf.doc/006 In the present embodiment, the crystalline phase of the first crystalline phase region 224 includes a -5 type or an alpha + dot type. The so-called /3 type crystal phase means that the crystal form is a body_centered cubic lattice (BCC lattice), and the so-called α + /5 type crystal phase means that the crystal form includes a hexagonal dense lattice (hexagonal Close-packed lattice, HCP lattice) and body-centered cubic lattice. Further, the crystal phase of each of the second crystal phase regions 226 includes an α, a type or an α'' type. The so-called α ' type crystal phase refers to hexagonal martensite, and the so-called α, type crystal phase refers to orthorhombic martensite, both of which are formed by rapid cooling. A completely metamorphic (incomplete_transformati〇n) crystalline phase. In this incomplete_transf〇rmati〇n phase, the titanium alloy has a lower modulus of elasticity. It must be noted here that the so-called elastic modulus is the Young's modulus, and its metric unit is Pascal (abbreviated as
Pa)。材料（通常為單原子金屬或合金）的彈性模數與反 發係數呈現反比關係，亦即上述材料的彈性模數越低，，則 其反發係數越高。因此，本實施例之打擊面板22〇除了中 心區域228的反發係數相對較高之外，打擊面板22〇所具 有的這些第二結晶相區域226的反發係數也相對較高，因 此整體而言打擊面板220的高反發係數區域較大。此外， 本貫施例中，第一結晶相區域224的彈性模數可大於等於 lOOGPa (即ΙΟΟχΙΟ9帕），且第一結晶相區域224之彈性 模數與第二結晶相區域226之彈性模數的差值的絕對值可 大於等於5GPa且小於等於i〇GPa。 200819171 PF-2006-013(2) 19915twf.doc/006 值得注意的是，在本實施例中，打擊面板220的材質 可為鈦合金，例如為鈦-6鋁-4飢（Ti-6A1-4V)合金，亦即 組成成分的重量百分比為90%鈦、6%鋁與4%釩的鈦合金。 但是在另一實施例中，打擊面板220的材質亦可為其他種 類的鈦合金，例如鈦-8銘-1鉬-1飢（Ti-8Al_lMo-lV)、 鈦-6 鋁·2 錫-4 锆-2 鉬（Ti-6Al-2Sn-4Zr_2Mo )、鈦-6 鋁-6 釩-2 錫（Ti-6Al-6V_2Sn)、鈦 _6 鋁-2 錫-4 锆 _6 鉬 (Ti-6Al-2Sn_4Zr-6Mo)、鈦-8 錳（Ti-8Mn)、鈦-10 釩-2 鐵-3 !呂（Ti-10V-2Fe-3Al)、鈦 _11·5 钥 _6 錯-4.5 錫 (Ti-ll.5Mo-6Zr-4.5Sn )、鈦-15 |目-5 錯-3 |呂 (Ti-15Mo-5Zr-3Al )與鈦 _13 鈒 _ιι 鉻 _3 鋁 (Ti-13V-llCr-3Al) 〇 請再參考圖1，值得一提的是，在本實施例中，桿頭 本體210與打擊面板220可藉由嵌合與（或）焊接等方式 相接合。進言之，在放置打擊面板220之前，可預先塗覆 悍料於桿頭本體210與打擊面板220之接合面上。之後， 將打擊面板220配置於桿頭本體21〇的開口 212處，再進 行焊接，以使焊料熔融後冷卻形成連接桿頭本體21〇與打 擊面板220之焊結層（未繪示）。此外，在另一實施例中， 亦可先將打擊面板220配置於桿頭本體21〇的開口 212 處，再將焊料塗覆於桿頭本體210與打擊面板220之接合 處的接縫上，待焊料熔融滲入接合面後，再冷卻凝固形成 焊結層（未纟會示）。 在說明過南爾夫球桿頭2〇〇之桿頭本體21〇的製造方 200819171 PF-2006-013(2) 19915twf.doc/006 式，以及桿頭本體210與打擊面板220的組裝方式之後， 以下將針對打擊面板220的製造方法作一詳細說明。圖3A 至圖3C繪示圖1之打擊面板·的製造流程示意圖。本實施 例之打擊面板220的製造方法包括以下步驟。首先，請參 考圖3A，提供一面板本體P，面板本體p之結晶相為—第 一結曰曰相。在本實施例中，第^一結晶相包括冷型或Q +万 型。 接著，請參考圖3Β，局部加熱面板本體ρ。在本實施Pa). The elastic modulus of a material (usually a monoatomic metal or alloy) is inversely proportional to the coefficient of reversal, that is, the lower the modulus of elasticity of the above material, the higher the coefficient of reversal. Therefore, in addition to the relatively high reverse coefficient of the central region 228, the striking panel 22 of the present embodiment has a relatively high reverse coefficient of the second crystal phase region 226 of the striking panel 22, so that The high reflex coefficient area of the striking panel 220 is large. In addition, in the present embodiment, the elastic modulus of the first crystal phase region 224 may be greater than or equal to 100 GPa (ie, 9 Pa), and the elastic modulus of the first crystal phase region 224 and the elastic modulus of the second crystal phase region 226. The absolute value of the difference may be greater than or equal to 5 GPa and less than or equal to i 〇 GPa. 200819171 PF-2006-013(2) 19915twf.doc/006 It should be noted that in this embodiment, the material of the striking panel 220 may be a titanium alloy, such as titanium-6 aluminum-4 starvation (Ti-6A1-4V). The alloy, that is, the titanium alloy in which the weight percentage of the composition is 90% titanium, 6% aluminum and 4% vanadium. However, in another embodiment, the material of the striking panel 220 may also be other kinds of titanium alloys, such as Titanium-8 Ming-1 Molybdenum-1 (Ti-8Al_lMo-lV), Titanium-6 Aluminum·2 Tin-4 Zirconium-2 Molybdenum (Ti-6Al-2Sn-4Zr_2Mo), Titanium-6 Aluminum-6 Vanadium-2 Tin (Ti-6Al-6V_2Sn), Titanium_6 Aluminum-2 Tin-4 Zirconium_6 Molybdenum (Ti-6Al- 2Sn_4Zr-6Mo), Titanium-8 Manganese (Ti-8Mn), Titanium-10 Vanadium-2 Iron-3! Lu (Ti-10V-2Fe-3Al), Titanium_11·5 Key _6 错-4.5 Tin (Ti -ll.5Mo-6Zr-4.5Sn), Titanium-15 | Mesh-5 Wrong-3 | Lu (Ti-15Mo-5Zr-3Al) and Titanium_13 鈒_ιιChromium_3 Aluminum (Ti-13V-llCr- 3Al) Please refer to FIG. 1 again. It is worth mentioning that in the present embodiment, the head body 210 and the striking panel 220 can be engaged by means of fitting and/or welding. In other words, the mating surface of the head body 210 and the striking panel 220 may be pre-coated before the striking panel 220 is placed. Thereafter, the striking panel 220 is disposed at the opening 212 of the head body 21A, and then soldered to melt the solder and then cool to form a solder joint layer (not shown) connecting the head body 21A and the striking panel 220. In addition, in another embodiment, the striking panel 220 may be disposed at the opening 212 of the head body 21〇, and then the solder is applied to the joint of the joint between the head body 210 and the striking panel 220. After the solder melts and penetrates into the joint surface, it is cooled and solidified to form a solder joint layer (not shown). In the description of the manufacturing method 200819171 PF-2006-013(2) 19915twf.doc/006 of the head body 21〇 of the Nalph club head 2, and the assembly manner of the head body 210 and the striking panel 220 The manufacturing method of the striking panel 220 will be described in detail below. 3A to 3C are schematic diagrams showing the manufacturing process of the striking panel of FIG. 1. The manufacturing method of the striking panel 220 of this embodiment includes the following steps. First, referring to Fig. 3A, a panel body P is provided, and the crystal phase of the panel body p is the first first phase. In this embodiment, the first crystalline phase comprises a cold type or a Q+ million type. Next, please refer to FIG. 3Β to locally heat the panel body ρ. In this implementation
例中，局部加熱面板本體Ρ的方式包括照射高能雷射光束 L於面板本體ρ。在另一實施例中，局部加熱面板本體ρ 的方式可採取照射電子束（未繪示）於面板本體ρ。 經由上述圖3Α至圖3C的步驟之後，_種具 結 ;曰曰=域224 (其結晶相為第一結晶相）與多個第二結晶 =或226 (其結晶相為第二結晶相）的打擊面板-基 2即可完成。在另-實施财，更可對於打擊面板22〇 ^ 了擊面222進一步加工處理，使得打擊面板- 的外型與桿頭本體训的開口 212(見圖υ的外型相當且 然後，請參考圖3C，淬火（quench)面板本體Ρ所加 熱之局部區域，使得面板本體ρ之局部區域的結晶相轉變 為一第二結晶相，以形成至少一第二結晶相區域226 (圖 3C示意地繪示兩個）。此外，淬火面板本體ρ所加熱之局 部區域的方式包括水冷、風冷或爐内冷卻，且淬火面板^ 體P所加熱之局部區域的冷卻速率大於等於每秒攝 度。另外，上述第二結晶相包括〇，型或，型。 12 200819171 PF-2006-013(2) 19915twf.doc/006 使得打擊面222達到所欲求的表面粗縫度。 綜上所述，本發明之高爾夫球桿頭與打擊面板的製造 方法至少具有以下的優點： 一、由於本發明之打擊面板具有彈性模數較低的第二 結晶相區域，亦即第二結晶相區域的反發係數相對較高了 因此整體而言本發明之打擊面板的高反發係數區域較大。 一、 由於本發明之打擊面板的製造方法可在不犧牲打 擊面板之耐久性的前提下，以局部加熱再淬火的方式於面 板本體内形成彈性模數較低的第二結晶相區域，因此可擴 大打擊面板的高反發係數區域。 ’、 二、 由於本發明之打擊面板的製造方法可採取照射雷 射光束或電子束以局部加熱面板本體的方式，因此本發; 之打擊面板的製造方法較為簡單且製造成本較為低廉。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何所屬技術領域中具有通常知識者，在不 脫_本發明之精神和範圍内，當可作些許之更動與潤飾， 因此本發明之保護範圍當視後附之申請專利範圍所界定者 為準。 【圖式簡單說明】 圖1綠示本發明一實施例之高爾夫球桿頭的立體分解 示意圖。 圖2繪示圖1之打擊面板的側視示意圖。 圖3A至圖3C繪示圖1之打擊面板的製造流程示意 13 200819171 PF-2006-013(2) 19915twf.doc/006In an example, the manner of locally heating the panel body 包括 includes illuminating the high energy laser beam L to the panel body ρ. In another embodiment, the panel body ρ is locally heated to illuminate an electron beam (not shown) on the panel body ρ. After the steps of FIG. 3A to FIG. 3C described above, the 具 type has a knot; the 曰曰=domain 224 (the crystal phase thereof is the first crystal phase) and the plurality of second crystals=or 226 (the crystal phase thereof is the second crystal phase) The hit panel - base 2 can be completed. In another implementation, the face panel 222 can be further processed for the striking panel 22, so that the shape of the striking panel is the same as the opening 212 of the head body training (see Figure υ for the appearance and then, please refer to 3C, quenching a localized region of the panel body , such that a crystalline phase of a local region of the panel body ρ is transformed into a second crystalline phase to form at least a second crystalline phase region 226 (FIG. 3C schematically depicts In addition, the manner in which the local region of the quenched panel body ρ is heated includes water cooling, air cooling, or furnace cooling, and the cooling rate of the local region heated by the quenching panel body P is greater than or equal to the per second. The second crystalline phase includes yttrium, type or type. 12 200819171 PF-2006-013(2) 19915twf.doc/006 causes the striking surface 222 to reach the desired surface roughness. In summary, the present invention The golf club head and the striking panel manufacturing method have at least the following advantages: 1. Since the striking panel of the present invention has a second crystal phase region having a lower modulus of elasticity, that is, a reverse coefficient of the second crystal phase region Therefore, the high-reflection coefficient area of the striking panel of the present invention is relatively large. First, the manufacturing method of the striking panel of the present invention can be locally heated without sacrificing the durability of the striking panel. The quenching method forms a second crystal phase region having a lower modulus of elasticity in the panel body, thereby expanding the high reversal coefficient region of the striking panel. ', 2. The manufacturing method of the striking panel of the present invention can take an irradiation laser The light beam or the electron beam is used to locally heat the panel body. Therefore, the manufacturing method of the striking panel is simple and the manufacturing cost is relatively low. Although the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the present invention. , and the scope of the invention is defined by the scope of the appended claims, and the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective exploded view of a golf club head according to an embodiment of the present invention. Schematic side view of the striking plate 1 shown in FIG. Striking plate manufacturing process of FIGS. 3A to 3C illustrate a schematic of FIG 13 200819171 PF-2006-013 (2) 19915twf.doc / 006
【主要元件符號說明】 200 :高爾夫球桿頭 210 :桿頭本體 212 :開口 220 :打擊面板 222 :打擊面 224 :第一結晶相區域 226 :第二結晶相區域 228 :打擊面板的中心區域 P:面板本體 14[Description of main component symbols] 200: Golf club head 210: Head body 212: Opening 220: Strike panel 222: Strike surface 224: First crystal phase region 226: Second crystal phase region 228: Strike panel center region P : panel body 14