BLOG

What is MOCVD

Horace He

Terakhir Diperbarui: 26 Desember 2023

What is MOCVD

MOCVD, or Metal Organic Chemical Vapor Deposition, is a technique utilized in the lighting industry for depositing thin films of materials onto a substrate. This process involves the use of metal organic precursors, which are heated within a reactor chamber to produce a vapor. The resulting vapor then reacts with a semiconductor substrate, leading to the formation of a thin film. MOCVD is performed under carefully controlled conditions, including precise control over temperature, pressure, and gas flow rates.

Mungkin Anda Tertarik Dengan

  • Sensor keterhunian PIR pemasangan di langit-langit dengan output relai kontak kering
  • Suplai tegangan rendah 12/24VDC atau 12/24VAC
  • Kontak relai terisolasi COM, NO, dan NC untuk input EMS, HVAC, dan kontrol bangunan
Gambar produk sensor gerak gelombang mikro plafon terbenam RZ048
  • Sakelar sensor gerak gelombang mikro pemasangan tanam di langit-langit bertegangan rendah DC
  • Input 12 VDC / 24 VDC dengan rentang 10-30 VDC
  • Arus kerja maksimum 10A dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Gambar produk sensor gerak gelombang mikro plafon terbenam RZ048
  • Sakelar sensor gerak gelombang mikro pemasangan tanam di langit-langit untuk beban lebih tinggi
  • Input tegangan saluran 100-265 VAC, model 10A
  • Deteksi gelombang mikro 5,8 GHz dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Gambar produk sensor gerak gelombang mikro plafon terbenam RZ048
  • Sakelar sensor gerak gelombang mikro terpasang rata (recessed) pada langit-langit
  • Input tegangan saluran 100-265 VAC, model 5A
  • Deteksi gelombang mikro 5,8 GHz dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
  • Dimmer sensor keberadaan PIR RZ037 pasang langit-langit untuk daya 220V
  • Arus kerja maksimum 3A dengan beban terukur 660W
  • Tombol LUX mengontrol ON/OFF sensor cahaya dan kecerahan redup yang diatur pengguna
  • Dimmer sensor keberadaan PIR RZ037 pasang langit-langit untuk daya 110V
  • Arus kerja maksimum 3A dengan beban terukur 330W
  • Tombol LUX mengontrol ON/OFF sensor cahaya dan kecerahan redup yang diatur pengguna
Sakelar sensor gerak gelombang mikro pasang plafon RZ047
  • Sakelar sensor gerak gelombang mikro pasang langit-langit DC tegangan rendah
  • Input 12 VDC / 24 VDC dengan rentang 10-30 VDC
  • Arus kerja maksimum 10A dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Sakelar sensor gerak gelombang mikro pasang plafon RZ047
  • Sakelar sensor gerak gelombang mikro pasang langit-langit untuk beban lebih tinggi
  • Input tegangan saluran 100-265 VAC, model 10A
  • Deteksi gelombang mikro 5,8 GHz dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Sakelar sensor gerak gelombang mikro pasang plafon RZ047
  • Sakelar sensor gerak gelombang mikro pasang langit-langit
  • Input tegangan saluran 100-265 VAC, model 5A
  • Deteksi gelombang mikro 5,8 GHz dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Tampilan atas dan samping sensor gerak PIR plafon terbenam RZ038
  • Sakelar sensor gerak PIR terpasang rata (recessed) pada langit-langit DC tegangan rendah
  • Input 12 VDC / 24 VDC dengan rentang 10-30 VDC
  • Arus kerja maks 10A dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Tampilan depan sensor gerak PIR plafon terbenam RZ038
  • Sakelar sensor gerak PIR pemasangan plafon tanam beban lebih tinggi
  • Input tegangan saluran 100-265 VAC, model 10A
  • Deteksi 360 derajat dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Tampilan depan sensor gerak PIR plafon terbenam RZ038
  • Sakelar sensor gerak PIR pemasangan plafon tanam
  • Input tegangan saluran 100-265 VAC, model 5A
  • Deteksi 360 derajat dengan penundaan waktu, ambang batas Lux, dan sensitivitas yang dapat disesuaikan
Set penerima dan sakelar nirkabel RZ040
  • Kit sakelar dan penerima nirkabel untuk kontrol pencahayaan ON/OFF dalam ruangan
  • Penerima 100-230VAC, 50/60Hz dengan arus pengenal 5A
  • Sakelar nirkabel berdaya baterai CR2032 dengan komunikasi 2,4GHz
  • Okupansi (Auto-ON/Auto-OFF)
  • 12–24V DC (10–30VDC), hingga 10A
  • Cakupan 360°, diameter 8–12 m
  • Penundaan waktu 15 dtk–30 mnt
  • Sensor cahaya Mati/15/25/35 Lux
  • Sensitivitas Tinggi/Rendah
  • Mode okupansi Auto-ON/Auto-OFF
  • 100–265V AC, 10A (memerlukan netral)
  • Cakupan 360°; diameter deteksi 8–12 m
  • Penundaan waktu 15 dtk–30 mnt; Lux NONAKTIF/15/25/35; Sensitivitas Tinggi/Rendah
  • Mode okupansi Auto-ON/Auto-OFF
  • 100–265V AC, 5A (memerlukan netral)
  • Cakupan 360°; diameter deteksi 8–12 m
  • Penundaan waktu 15 dtk–30 mnt; Lux NONAKTIF/15/25/35; Sensitivitas Tinggi/Rendah
  • 100V-230VAC
  • Jarak Transmisi: hingga 20 m
  • Sensor gerak nirkabel
  • Kontrol kabel (hardwired)

Pertanyaan yang Sering Diajukan

How Does MOCVD Work

In the MOCVD process, a heated wafer is exposed to a gas stream containing ‘precursors’ such as trimethylgallium and ammonia (TMGa, NH3). These precursors decompose when heated, typically at temperatures ranging from 400°C to 1300°C depending on the material to be deposited.

What Is the Difference Between CVD and MOCVD

Metal Organic Chemical Vapor Deposition (MOCVD) is a modified version of chemical vapor deposition (CVD) [22,23]. It is utilized to produce high purity crystalline semiconducting thin films and micro/nano structures.

What Is the Difference Between MOCVD and MOVPE

MOCVD, also referred to as MOVPE or OMVPE, is a widely used method for growing III-V group semiconductor materials on a silicon substrate.

What Are the Advantages of MOCVD

In addition to its ability to achieve high-precision manufacturing, MOCVD offers the advantage of depositing thin films at high volumes. This large-scale production capability is more accurate compared to other methods. Furthermore, MOCVD is a flexible process, making it a more economical choice when compared to alternative processes.

How Much Does MOCVD Cost

Many companies provide subsidies ranging from 8-10 million yuan (approximately $1.2 to $1.5 million) for the purchase of MOCVD reactors. These reactors, which belong to the latest generation of high-capacity systems, typically cost around $2.5 million each.

Who Invented MOCVD

Invented at the Rockwell International company by Harold Manasevit, MOCVD was ready for further exploration and advancement when Russell Dupuis became a part of the company in 1975.

What Is a Bubbler in MOCVD

A bubbler in MOCVD refers to a cylinder that is an integral part of the metal organic chemical vapor deposition (MOCVD) system. These devices are specifically designed to transport electronic grade metalorganic compounds from a liquid or solid precursor into a vapor form that can be utilized in the process.

What Is the Growth Rate of MOCVD

Typical growth rates for metalorganic chemical vapor deposition (MOCVD) GaN films with high mobilities range from 2 to 3 μm per hour.

What Are the Advantages of MOCVD Over MBE

MBE is known for its high precision, but it comes with a hefty price tag and requires an ultra-high vacuum. On the other hand, MOCVD is a more cost-effective option that operates under pressure. However, it is important to note that MOCVD may not offer the same level of precision as MBE. Ultimately, the choice between the two techniques should be based on the specific requirements of the application and the desired level of control over the coated layers.

Tinggalkan komentar

Indonesian