最初SMT鋼網的制造過程主要是照(zhào)相(xiàng)制闆,然後再通過采用化學腐蝕加工(gōng)法。當然還(hái)有采用激光(guāng)切割加工(gōng)法或者電鑄加工(gōng)法來(lái)對SMT鋼網的制闆進行加工(gōng)。
PCB線路(lù)闆爲什麽要做阻抗?PCB線路(lù)闆阻抗是指電阻和對電抗的參數,對交流電所起着阻礙作(zuò)用。在PCB線路(lù)闆生(shēng)産中,阻抗處理是必不可(kě)少的。
在現在經濟高速發達的階段裡,線性模組的使用變得(de)越來(lái)越普遍,而且越發的重要,在我們的日(rì)常生(shēng)活中,但(dàn)是有很多人都(dōu)不知道如(rú)何去(qù)選擇線性模組。
每一個機械産品的特點很多都(dōu)會來(lái)自(zì)它不同的因素取決,可(kě)能是因爲它的整體(tǐ)安裝工(gōng)藝,也可(kě)能是因爲它的配件(jiàn),同樣也會它的外部驅動構件(jiàn)影(yǐng)響。促成一個機械産品擁有這個特點可(kě)以說(shuō)有很多種可(kě)能性。
Interview: With the rapid advancement of the China Manufacturing 2025 Program and the prevalence of the Industry 4.0 concept, the world is gradually moving from the information age to the intelligent era of the Internet of Everything, and various traditional industries are undergoing intelligent upgrades while consumers The functional requirements for terminal electronic products are also becoming more and more abundant.
What is the current status and development trend of domestic medical device companies? China's medical device industry has a low concentration, and most medical device companies are small in scale, and can only produce low-end products. High-end products can only be looked up. However, due to the huge demand in the downstream market, high-end products can only rely on imports.