Many people are asking about the new back-illuminated sensor (BSI) in the newly released Nikon D850 DSLR Camera. Well it is not Sony. Toshiba, or Samsung like many originally reported.
The electronics and technology company TowerJazz built the image sensors that Nikon partially designed. Basically Nikon told TowerJazz what they wanted the image sensor to be capable of and TowerJazz designed and built it for Nikon.
TowerJazz Panasonic Semiconductor Co., Ltd. (TPSCo) Towerjazz company which is an Israeli-based company which is 49% owned by Panasonic. TowerJazz headquarters in Migdal Haemek, Israel. TPSCo is a newly established company, 51% owned by Tower Semiconductor Ltd. (NASDAQ: TSEM, TASE: TSEM) and 49% owned by Panasonic Corporation. Nikon teamed with FORZA Silicon Corporation to design the chip and then contracted TowerJazz to make it.
Panasonic sold 51% of three semiconductor manufacturing facilities to TowerJazz which now owns 51% of the new created joint venture company. Panasonic still keeps the 49%.