Китай Peelable паянка маска Pcb Pcb самые дешевые заводские цена на оптом

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обратная связь

HAL (Free Free), полное имя - это выравнивание горячего воздуха с лидером. По сравнению с HASL основным отличием для HAL (Free Free) является элемент материала, который не содержит свинца (PB), поэтому он соответствует, и он намного популярна и широко используется вPCB производствоОтказ

HAL (Free Free) требует более высоких температур прогона для приводит к свинцам припоя и более длительное время соприкосновения, стоимость производства для HAL (без свинца) немного выше, чем hasl (олово / свинец).

Процесс изготовления HAL (Free Free Free) аналогичен HASL (олово / свинцу), цепные платы будут погружены в расплавленную припоя (свинца). Этот припой будет охватывать все открытые медные поверхности. При отвлечении от припоя горячий воздух высокого давления влюбится на поверхность через воздушные ножи, это повышает осадок припоя и удаляет избыток припой с поверхности печатных плат.

Типичная толщина HAL (Free Free) составляет 1-40um, а срок годности 12 месяцев.

Преимущества Hal (Free Free) поверхности

● хорошая пайка / смачиваемость
● соответствует ROHS
● Хорошие свойства отравляют
● Допускается большое обработка окна
● несколько тепловых экскурсий
● может быть широко используется

Недостатки отдела поверхности HAL (Free)

● неровная поверхность
● не подходит для печатных плат с мелким шагом
● тепловой шок
● припой мост
● подключен или уменьшается с помощью отверстий

A-Tech имеет Hal (Free Free Free) отделка поверхности в доме, в основном самая высокая доля отделки, используемая для монтажных досок без мелкого шага или макета высокой плотности. У нас нет никаких дополнительных расходов на конец поверхности HAL (Free Free).

l******e

A-TECH peelable solder mask pcb is designed based on market demands and customer requirements. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

v******v

A-TECH peelable solder mask pcb grows more varied with time and technology. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

u******v

A-TECH peelable solder mask pcb is manufactured under standardized production conditions. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

a******k

peelable solder mask pcb from is safe and harmless. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

i******w

The production of A-TECH peelable solder mask pcb adopts cutting-edge technology in compliance with the market standards. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

h******n

The product features contour sharpness. It adopts advanced UV-cured materials for exceptionally crisp prototypes which allow to mold and reproduce flawlessly. Founded in 2003, Wenzhou Eugenia Eyewear Factory is one of the leader supplier of sunglasses / reading glasses in Metal, Plastic, Metal / Plastic in, and eyewear accessories in Wenzhou. And we already have built our good reputation by providing high quality products and value-added solution in the industry. Our mission is to be a true value-added manufacturer by providing services beyond value and quality to build strong and sustainable customer relationships. We pride on our extensive product knowledge and unparalleled customer support

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