SU457120A1 - The method of electrophoretic deposition of fluorescent coatings - Google Patents

The method of electrophoretic deposition of fluorescent coatings

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Publication number
SU457120A1
SU457120A1 SU1442891A SU1442891A SU457120A1 SU 457120 A1 SU457120 A1 SU 457120A1 SU 1442891 A SU1442891 A SU 1442891A SU 1442891 A SU1442891 A SU 1442891A SU 457120 A1 SU457120 A1 SU 457120A1
Authority
SU
USSR - Soviet Union
Prior art keywords
electrophoretic deposition
coatings
fluorescent coatings
uniformity
electrophoretic
Prior art date
Application number
SU1442891A
Other languages
Russian (ru)
Inventor
Игорь Иосифович Малеев
Михаил Дмитриевич Опайнич
Михаил Николаевич Солтыс
Христина Степановна Кордияк
Original Assignee
Предприятие П/Я В-8677
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я В-8677 filed Critical Предприятие П/Я В-8677
Priority to SU1442891A priority Critical patent/SU457120A1/en
Application granted granted Critical
Publication of SU457120A1 publication Critical patent/SU457120A1/en

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Description

1one

Изобретение относитс  к области производства электронно-лучевых приборов, в частности к способу получени  люминесцентных покрытий .The invention relates to the field of production of electron-beam devices, in particular, to a method for producing luminescent coatings.

Известны способы электрофоретического нанесени  катодолюминесцентных покрытий из спиртовой среды.Methods are known for electrophoretic deposition of cathodoluminescent coatings from an alcohol medium.

Однако известные способы не позвол ют получать люминесцентные покрыти  экранов, удовлетвор ющих требовани м злектронно-лучевых приборов с высоким разрешением, так как при этом не обеспечиваетс  требуема  плотность и равномерность структуры высокодисперсного люминофора с размерами частиц, не превышаюп ими 1,0 мкм.However, the known methods do not allow to obtain luminescent coatings of screens that meet the requirements of high-resolution electron-beam devices, since this does not ensure the required density and uniformity of the structure of a highly dispersed phosphor with particle sizes not exceeding 1.0 µm.

С целью получени  высокодисперсных покрытий с улучшенной плотностью и равномерностью структуры по предлагаемому способу при электрофоретическом осаждении люминофора в качестве дисперсионной среды используют этанольный раствор полиметакриловой кислоты (молекул рного веса 1,0-1,5-10) с концентрацией в пределах 0,25-0,35 весовых процентов.In order to obtain highly dispersed coatings with improved density and uniformity of structure according to the proposed method for electrophoretic deposition of the phosphor, an ethanolic solution of polymethacrylic acid (molecular weight 1.0-1.5-10) is used as a dispersion medium with a concentration of 0.25-0 , 35 weight percent.

Пример. Дл  приготовлени  суспензии Example. For slurry preparation

раствор ют в 150 мл этилового спирта 0,45 г полиметакриловой кислоты, затем добавл ют 0,50 мл 20%-ного раствора азотнокислого стронци  и 0,8-1,0 г люминофора А-1. Состав обрабатывают в акустическом поле на прот жении 30 мин при напр жении выхода 200-220 В и частоте 19 кГц.0.45 g of polymethacrylic acid is dissolved in 150 ml of ethyl alcohol, then 0.50 ml of a 20% strontium nitrate solution and 0.8-1.0 g of A-1 phosphor are added. The composition is treated in an acoustic field for 30 minutes at an output voltage of 200-220 V and a frequency of 19 kHz.

Нанесение экранов электрофоретическим способом провод т при напр жении 200 В и плотности тока на электродах 10 Ма/см.The application of screens by the electrophoretic method is carried out at a voltage of 200 V and a current density on the electrodes of 10 Ma / cm.

Таким образом, при использовании предлагаемого способа добиваютс  высокой равномерности свечени  и высокой разрешаюш,ей способности.Thus, when using the proposed method, a high uniformity of luminescence and a high resolution are achieved.

Предмет изобретени Subject invention

Способ электрофоретического нанесени  катодолюминесцентных покрытий из спиртовой среды, отличающийс  тем, что, с целью получени  высокодисперсных покрытий с улучшенной плотностью и равномерностью структуры , в качестве дисперсионной среды используют 0,25-0,35%-ный этанольный раствор полиметакриловой кислоты молекул рного веса 1,0-1,5-10The method of electrophoretic deposition of cathodoluminescent coatings from an alcohol medium, characterized in that, in order to obtain highly dispersed coatings with improved density and uniformity of structure, 0.25-0.35% ethanol solution of polymethacrylic acid of molecular weight 1 is used as a dispersion medium, 0-1,5-10

SU1442891A 1970-05-25 1970-05-25 The method of electrophoretic deposition of fluorescent coatings SU457120A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1442891A SU457120A1 (en) 1970-05-25 1970-05-25 The method of electrophoretic deposition of fluorescent coatings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1442891A SU457120A1 (en) 1970-05-25 1970-05-25 The method of electrophoretic deposition of fluorescent coatings

Publications (1)

Publication Number Publication Date
SU457120A1 true SU457120A1 (en) 1975-01-15

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Family Applications (1)

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SU1442891A SU457120A1 (en) 1970-05-25 1970-05-25 The method of electrophoretic deposition of fluorescent coatings

Country Status (1)

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SU (1) SU457120A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296117A (en) * 1991-12-11 1994-03-22 Agfa-Gevaert, N.V. Method for the production of a radiographic screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296117A (en) * 1991-12-11 1994-03-22 Agfa-Gevaert, N.V. Method for the production of a radiographic screen

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