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    • 3. 发明授权
    • Replenishment of electrodeposition coating bath
    • 补充电沉积涂层浴
    • US4201644A
    • 1980-05-06
    • US946956
    • 1978-09-29
    • Nobuaki TodorokiJunichi YasukawaNorio KawamuraAkio KasaiSatoru KamiyamaToshihiro Kawasaki
    • Nobuaki TodorokiJunichi YasukawaNorio KawamuraAkio KasaiSatoru KamiyamaToshihiro Kawasaki
    • C25D13/24
    • C25D13/24
    • The present invention relates to a method for replenishing an electrodeposition coating bath by subjecting to an ultrafiltration, an electro-deposition bath liquid which has been decomposed with time under a pressure of 0.2-3.0 kg/cm.sup.2 changing the direction of the bath liquid during the ultrafiltration step so as to cause the liquid to flow in opposite directions in the ultrafiltering apparatus; recycling the concentrate obtained from the ultrafiltration to the electrodeposition coating bath for the purpose of adjusting the liquid characteristics of the bath and using the thus-obtained filtrate, obtained from the ultrafiltration, the diluent for preparing a replenishing supply liquid. The deposition bath according to the present invention contains a water thinnable cationic binder resin which is a nitrogen atom-containing basic resin neutralized at least partially with an acid compound and at least one non-ionic resin in the form of a powder which is solid at room temperature, but which is capable of melting, when heated. According to the present invention, the harmful substances are removed from the bath, and the replenishing may be carried out continuously without any serious clogging of the apparatus to produce excellent coating films.
    • 本发明涉及一种补充电沉积镀浴的方法,该方法是通过超滤,在0.2-3.0kg / cm 2压力下随时分解的电沉积浴液在此期间改变浴液的方向 超滤步骤,以使液体在超滤装置中以相反的方向流动; 将从超滤获得的浓缩物再循环到电沉积涂布浴中,以调节浴的液体特性,并使用由超滤得到的滤液,用于制备补充供液的稀释剂。 根据本发明的沉积浴包含水稀释阳离子粘合剂树脂,其是至少部分用酸化合物中和的至少一种以粉末形式的非离子树脂中和的含氮原子的碱性树脂,其为在 室温,但加热时能熔化。 根据本发明,从浴中除去有害物质,并且可以连续进行补充,而不会严重堵塞装置以产生优异的涂膜。
    • 4. 发明授权
    • Method of forming a functional film
    • 形成功能膜的方法
    • US5587260A
    • 1996-12-24
    • US304950
    • 1994-09-13
    • Susumu MiyazakiTsuyoshi NakanoNobuya NiizakiJunichi YasukawaMiki Matsumura
    • Susumu MiyazakiTsuyoshi NakanoNobuya NiizakiJunichi YasukawaMiki Matsumura
    • G02B5/20G02F1/1335G03F7/00G03F9/00
    • G03F7/00G02F1/133512
    • There is provided a method of forming a micro-patterned functional film with a high precision on a substrate comprising:(a) a step of forming a positive or negative-type photoresist film on the entire surface of a substrate having a conductive layer thereon;(b) an exposure step of irradiating light to the surface of the already formed positive or negative-type photoresist film through overlapped photo-masks having patterns that makes the film cover the substrate except for the predetermined part for forming a functional film in the next developing step;(c) a developing step of removing the photoresist film of the predetermined part for forming a functional film;(d) a step of forming a functional film on the substrate in the part where said photoresist film is removed, by electrodeposition with said conductive layer as one electrode; and(e) a step of removing the positive or negative-type photoresist film remaining after the step (c).Especially a functional film having such lattice-like or stripe-like micro-patterns as being less than about 200 .mu.m in shortest spatial width can be formed.
    • 提供了一种在衬底上高精度地形成微图形化功能膜的方法,包括:(a)在其上具有导电层的衬底的整个表面上形成正或负型光致抗蚀剂膜的步骤; (b)曝光步骤,通过具有图案的重叠光掩模将光照射到已经形成的正型或负型光致抗蚀剂膜的表面上,所述图案使膜覆盖除了用于形成下一个功能膜的预定部分之外的基板 发展步伐 (c)去除用于形成功能膜的预定部分的光致抗蚀剂膜的显影步骤; (d)通过将所述导电层作为一个电极进行电沉积,在除去所述光致抗蚀剂膜的部分的基板上形成功能膜的步骤; 和(e)除去在步骤(c)之后残留的正型或负型光致抗蚀剂膜的步骤。 特别地,可以形成具有在最短空间宽度上小于约200μm的格状或条状微图案的功能膜。
    • 6. 发明授权
    • Method and apparatus for electrodeposition coating
    • 电沉积涂层的方法和装置
    • US4210505A
    • 1980-07-01
    • US960558
    • 1978-11-14
    • Nobuaki TodorokiJunichi YasukawaNorio KawamuraAkio Kasai
    • Nobuaki TodorokiJunichi YasukawaNorio KawamuraAkio Kasai
    • C09D5/44C25D13/22C25D13/06
    • C25D13/22C09D5/4488
    • In a method for coating an article by electrodeposition which comprises: immersing the article to be coated in a bath comprising a powder containing electrodeposition coating composition comprising a water thinnable cationic synthetic resin which is a nitrogen-containing basic resin partially neutralized with an acidic compound and a synthetic resin in the form of fine powder which is solid at a room temperature but can melt when heated;employing as a cathode, said article to be coated;and applying a voltage between the cathode and plural anodes placed in the bath,the improvement which comprises positioning the above-mentioned anodes to face the respective surface of said article to be coated and controlling the amount of coating on the respective surfaces of said article by regulating the quantity of electricity allowed flowing to each anode.
    • 在通过电沉积涂覆制品的方法中,其包括:将待涂覆的制品浸入包括含有电沉积涂料组合物的电镀液中,所述电沉积涂料组合物包含水稀释阳离子合成树脂,其是用酸性化合物部分中和的含氮碱性树脂, 在室温下为固体但在加热时可熔化的细粉末形式的合成树脂; 用作阴极,所述待涂覆的制品; 并且在阴极和放置在浴中的多个阳极之间施加电压,其改进包括将上述阳极定位为面对待涂覆的制品的相应表面,并且通过以下方式控制所述制品的各个表面上的涂层量 调节流向每个阳极的电量。
    • 8. 发明授权
    • Continuous method for cathodic electrodeposition
    • 阴极电沉积的连续方法
    • US4208261A
    • 1980-06-17
    • US911950
    • 1978-06-02
    • Nobuaki TodorokiJunichi Yasukawa
    • Nobuaki TodorokiJunichi Yasukawa
    • C09D5/44C25D13/06C25D13/22
    • C09D5/4488
    • An improvement in a method for coating an electrically conductive article by electrodeposition, wherein the article, as the cathode, is immersed in an aqueous bath containing a basic resin, at least partially neutralized with an acid compound, and a particulate synthetic resin, is provided. The improvement is the conducting of the electrodeposition continuously while adding a replenishing supply liquid to the aqueous bath to maintain a constant bath composition. The composition of the replenishing supply liquid is such that (a) the proportion of water is smaller than in the initial aqueous bath, (b) the proportion of the basic resin to the acid compound is larger than employed in the initial partial neutralization, and (c) the particulate synthetic resin is also present.
    • 提供通过电沉积涂覆导电制品的方法的改进,其中将作为阴极的制品浸入包含至少部分用酸性化合物中和的碱性树脂和颗粒状合成树脂的水性浴中, 。 改进在于连续地进行电沉积,同时向水浴中加入补充液体以保持恒定的浴组成。 补充供给液的组成为:(a)水的比例小于初始水浴中的比例,(b)碱性树脂与酸性化合物的比例大于初始部分中和中使用的比例, (c)颗粒状合成树脂也存在。